feat: Added RelationalPlaceholder builder

Implement new parserel subcommand

.github/workflows/build.yml

@@ -8,12 +8,12 @@ jobs:
 
     steps:
     - name: Checkout Repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
-    - name: Set up JDK 17
-      uses: actions/setup-java@v4
+    - name: Set up JDK 21
+      uses: actions/setup-java@v5
       with:
-        java-version: 17
+        java-version: 21
         distribution: 'temurin'
         cache: 'gradle'
 

.gitpod.Dockerfile

@@ -1,3 +1,3 @@
 FROM gitpod/workspace-full
 
-RUN bash -c ". /home/gitpod/.sdkman/bin/sdkman-init.sh && sdk install java 17.0.1.fx-zulu"
+RUN bash -c ". /home/gitpod/.sdkman/bin/sdkman-init.sh && sdk install java 21.0.6.fx-zulu"

README.md

@@ -1,45 +1,30 @@
 # MiniPlaceholders
-[![WorkFlow](https://img.shields.io/github/actions/workflow/status/MiniPlaceholders/MiniPlaceholders/build.yml?style=flat-square)](https://github.com/MiniPlaceholders/MiniPlaceholders/actions)
+[![GitHub WorkFlow](https://img.shields.io/github/actions/workflow/status/MiniPlaceholders/MiniPlaceholders/build.yml?logo=GitHub&style=flat-square)](https://github.com/MiniPlaceholders/MiniPlaceholders/actions)
+[![Jenkins Build](https://img.shields.io/jenkins/build?jobUrl=https%3A%2F%2Fci.codemc.io%2Fjob%2FMiniPlaceholders%2Fjob%2FMiniPlaceholders%2F&style=flat-square&logo=jenkins)](https://ci.codemc.io/job/MiniPlaceholders/job/MiniPlaceholders/)
 ![Latest Version](https://img.shields.io/github/v/release/MiniPlaceholders/MiniPlaceholders?style=flat-square)
 [![Discord](https://img.shields.io/discord/899740810956910683?color=7289da&logo=Discord&label=Discord&style=flat-square)](https://discord.gg/5NMMzK5mAn)
 ![Modrinth Downloads](https://img.shields.io/modrinth/dt/HQyibRsN?logo=Modrinth&style=flat-square)
 ![GitHub Downloads](https://img.shields.io/github/downloads/MiniPlaceholders/MiniPlaceholders/total?logo=GitHub&style=flat-square)
 
-MiniMessage Component-based Placeholders for Paper, Fabric, Sponge, Folia and Velocity platforms
+
+
+MiniMessage Component-based Placeholders API for Minecraft Platforms.
 
 ## Compatibility
-- Paper 1.19.3, 1.19.4+
-- Folia 1.19.4+
-- Velocity 3.1.2+
-- Fabric 1.19.4+
-- Sponge API 8+
-
-## Commands
-
-### Velocity
-
-- `/vminiplaceholders parse me "[message with placeholders]"`
-- `/vminiplaceholders parse player [some-player] "[message with placeholders]"`
-
-### Paper | Folia | Fabric | Krypton
-
-- `/miniplaceholders <parse|help> player [some-player] "[message with placeholders]`
-- `/miniplaceholders parse player [some-player] "[message with placeholders]"`
-
-#### Example:
-
-- `/miniplaceholders parse me "<player_xp>"`
-- `/vminiplaceholders parse player 4drian3d "<player_name>"`
+- Paper 1.21+
+- Velocity 3.4+
+- Fabric 1.21.6+
+- Sponge API 12+
 
 ## User Usage
 
-Check our user usage wiki [here](https://github.com/MiniPlaceholders/MiniPlaceholders/wiki/User-Getting-Started)
+Check our user usage wiki [here](https://miniplaceholders.github.io/docs/user-guide/User-Getting-Started)
 
 ## API
 
 Check the available [Javadocs](https://javadoc.io/doc/io.github.miniplaceholders/miniplaceholders-api)
 
-Or check the [Developer Wiki](https://github.com/MiniPlaceholders/MiniPlaceholders/wiki/Developer-Getting-Started)
+Or check the [Developer Wiki](https://miniplaceholders.github.io/docs/developer-guide/Developer-Getting-Started)
 
 ### Java
 ```java
@@ -47,9 +32,7 @@ Or check the [Developer Wiki](https://github.com/MiniPlaceholders/MiniPlaceholde
 class Main {
     public static void registerExpansion() {
         final Expansion expansion = Expansion.builder("my-expansion")
-                .filter(Player.class)
-                .audiencePlaceholder("name", (audience, ctx, queue) -> {
-                    final Player player = (player) audience;
+                .audiencePlaceholder(Player.class, "name", (player, ctx, queue) -> {
                     return Tag.selfClosingInserting(player.getName());
                 })
                 .globalPlaceholder("tps", (ctx, queue) ->
@@ -59,8 +42,8 @@ class Main {
         expansion.register();
         
         Player player;
-        final TagResolver playerResolver = MiniPlaceholders.getAudiencePlaceholders(player);
-        player.sendMessage(miniMessage().deserialize("Player Name: <my-expansion_name>", playerResolver));
+        final TagResolver playerResolver = MiniPlaceholders.audiencePlaceholders();
+        player.sendMessage(miniMessage().deserialize("Player Name: <my-expansion_name>", player, playerResolver));
     }
 }
 
@@ -70,10 +53,10 @@ class Main {
 ```kotlin
 fun register() {
       val expansion = expansion("my-expansion") {
-          audiencePlaceholder("name") { aud, _, _ ->
+          audience<Player>("name") { player, _, _ ->
               aud.getName().asClosingTag()
           }
-          globalPlaceholder("tps") { _, _ ->
+          global("tps") { _, _ ->
               Component.text(Bukkit.getTps()[0]).asInsertingTag()
           }
       }
@@ -81,7 +64,7 @@ fun register() {
     expansion.register()
     
     val player: Player
-    val playerResolver = MiniPlaceholders.getAudiencePlaceholders(player)
-    player.sendMessage(miniMessage().deserialize("Player Name: <my-expansion_name>", playerResolver))
+    val playerResolver = MiniPlaceholders.audiencePlaceholders()
+    player.sendMessage(miniMessage().deserialize("Player Name: <my-expansion_name>", player, playerResolver))
 }
 ```

api/build.gradle.kts

@@ -1,22 +1,28 @@
+import java.time.LocalDate
+
 plugins {
     id("miniplaceholders.base")
     alias(libs.plugins.jmh)
-    id("miniplaceholders.publish")
+    `java-library`
+    id("com.vanniktech.maven.publish")
 }
 
 dependencies {
     compileOnly(libs.adventure.api)
-    compileOnly(libs.adventure.minimesssage)
+    compileOnly(libs.adventure.minimessage)
     compileOnly(libs.adventure.serializer.legacy)
     compileOnly(projects.miniplaceholdersConnect)
+    compileOnlyApi(libs.unnamedinject)
 
     testImplementation(platform(libs.junit.bom))
     testImplementation("org.junit.jupiter:junit-jupiter")
     testRuntimeOnly("org.junit.platform:junit-platform-launcher")
     testImplementation(libs.adventure.api)
-    testImplementation(libs.adventure.minimesssage)
+    testImplementation(libs.adventure.minimessage)
     testImplementation(libs.adventure.serializer.plain)
     testImplementation(libs.adventure.serializer.legacy)
+
+    compileOnly(libs.jspecify)
 }
 
 jmh {
@@ -25,20 +31,23 @@ jmh {
     fork.set(2)
 }
 
-java {
-    withJavadocJar()
-}
-
 tasks {
     processResources {
         filteringCharset = Charsets.UTF_8.name()
     }
     javadoc {
-        options.encoding = Charsets.UTF_8.name()
-        (options as StandardJavadocDocletOptions).links(
+        val o = options as StandardJavadocDocletOptions
+        o.encoding = Charsets.UTF_8.name()
+        o.links(
             "https://jd.advntr.dev/api/${libs.versions.adventure.get()}/",
             "https://jd.advntr.dev/text-minimessage/${libs.versions.adventure.get()}/"
         )
+        o.tags(
+            "apiNote:a:API Note:",
+            "implSpec:a:Implementation Requirements:",
+            "implNote:a:Implementation Note:",
+            "sinceMinecraft:a:Since Minecraft:"
+        )
     }
     compileTestJava {
         options.encoding = Charsets.UTF_8.name()
@@ -50,3 +59,43 @@ tasks {
         }
     }
 }
+
+mavenPublishing {
+    publishToMavenCentral()
+    signAllPublications()
+    coordinates(project.group as String, "miniplaceholders-api", project.version as String)
+
+    pom {
+        name.set(project.name)
+        description.set(project.description)
+        inceptionYear.set(LocalDate.now().year.toString())
+        url.set("https://github.com/MiniPlaceholders/MiniPlaceholders")
+        licenses {
+            license {
+                name.set("The Apache License, Version 2.0")
+                url.set("http://www.apache.org/licenses/LICENSE-2.0.txt")
+                distribution.set("http://www.apache.org/licenses/LICENSE-2.0.txt")
+            }
+        }
+        developers {
+            developer {
+                id.set("4drian3d")
+                name.set("Adrian Gonzales")
+                email.set("adriangonzalesval@gmail.com")
+            }
+        }
+        scm {
+            connection.set("scm:git:https://github.com/MiniPlaceholders/MiniPlaceholders.git")
+            developerConnection.set("scm:git:ssh://git@github.com/MiniPlaceholders/MiniPlaceholders.git")
+            url.set("https://github.com/MiniPlaceholders/MiniPlaceholders")
+        }
+        ciManagement {
+            name.set("GitHub Actions")
+            url.set("https://github.com/MiniPlaceholders/MiniPlaceholders/actions")
+        }
+        issueManagement {
+            name.set("GitHub")
+            url.set("https://github.com/MiniPlaceholders/MiniPlaceholders/issues")
+        }
+    }
+}

api/src/jmh/java/io/github/miniplaceholders/jmh/PlaceholderBenchmark.java

@@ -12,39 +12,46 @@ import org.openjdk.jmh.annotations.State;
 import io.github.miniplaceholders.api.Expansion;
 import io.github.miniplaceholders.api.MiniPlaceholders;
 
+@SuppressWarnings("unused")
 @State(Scope.Benchmark)
 public class PlaceholderBenchmark {
-    @Benchmark
-    public void placeholderBench(){
-        BenchAudience player = new BenchAudience("4drian3d");
-        Expansion.Builder expansion = Expansion.builder("benchmark")
+  @Benchmark
+  public void placeholderBench() {
+    BenchAudience player = new BenchAudience("4drian3d");
+    Expansion.Builder expansion = Expansion.builder("benchmark")
             .audiencePlaceholder(
-                "name", (aud, queue, ctx) -> Tag.selfClosingInserting(Component.text(((BenchAudience)aud).getName()))
+                    BenchAudience.class,
+                    "name",
+                    (aud, queue, ctx) -> Tag.selfClosingInserting(Component.text(aud.getName()))
             )
             .audiencePlaceholder(
-                "uuid", (aud, queue, ctx) -> Tag.selfClosingInserting(Component.text(((BenchAudience)aud).getUUID().toString()))
+                    BenchAudience.class,
+                    "uuid",
+                    (aud, queue, ctx) -> Tag.selfClosingInserting(Component.text(aud.getUUID().toString()))
             )
             .audiencePlaceholder(
-                "tablistfooter", (aud, queue, ctx) ->Tag.selfClosingInserting(Component.text("footer"))
+                    "tablistfooter",
+                    (aud, queue, ctx) -> Tag.selfClosingInserting(Component.text("footer"))
             );
 
-        Expansion expansionBuilded = expansion.build();
-        expansionBuilded.audiencePlaceholders(player);
-        final TagResolver resolvers = MiniPlaceholders.getAudiencePlaceholders(player);
+    Expansion expansionBuilded = expansion.build();
+    expansionBuilded.register();
+    final TagResolver resolvers = MiniPlaceholders.audiencePlaceholders();
 
-        MiniMessage.miniMessage().deserialize("Player Name: <benchmark-name>", resolvers);
-    }
+    MiniMessage.miniMessage().deserialize("Player Name: <benchmark_name>", player, resolvers);
+  }
 
-    @Benchmark
-    public void singleBench(){
-        Expansion.builder("single")
-            .globalPlaceholder("servername", (queue, ctx) -> Tag.selfClosingInserting(Component.text("Peruviankkit")))
+  @Benchmark
+  public void singleBench() {
+    Expansion.builder("single")
+            .globalPlaceholder("servername",
+                    (queue, ctx) -> Tag.selfClosingInserting(Component.text("Peruviankkit")))
             .build()
             .register();
 
-        TagResolver resolvers = MiniPlaceholders.getGlobalPlaceholders();
+    TagResolver resolvers = MiniPlaceholders.globalPlaceholders();
 
-        MiniMessage.miniMessage().deserialize("Server name: <single-servername>", resolvers);
-    }
+    MiniMessage.miniMessage().deserialize("Server name: <single_servername>", resolvers);
+  }
 
 }

api/src/main/java/io/github/miniplaceholders/api/Expansion.java

@@ -1,20 +1,22 @@
 package io.github.miniplaceholders.api;
 
 import io.github.miniplaceholders.api.placeholder.AudiencePlaceholder;
+import io.github.miniplaceholders.api.placeholder.GlobalPlaceholder;
 import io.github.miniplaceholders.api.placeholder.RelationalPlaceholder;
-import org.jetbrains.annotations.Contract;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-import java.util.function.BiFunction;
-import java.util.function.Predicate;
-
+import io.github.miniplaceholders.api.resolver.AudienceTagResolver;
+import io.github.miniplaceholders.api.resolver.GlobalTagResolver;
+import io.github.miniplaceholders.api.resolver.RelationalTagResolver;
+import io.github.miniplaceholders.api.types.PlaceholderType;
 import net.kyori.adventure.audience.Audience;
 import net.kyori.adventure.builder.AbstractBuilder;
-import net.kyori.adventure.text.minimessage.Context;
 import net.kyori.adventure.text.minimessage.tag.Tag;
-import net.kyori.adventure.text.minimessage.tag.resolver.ArgumentQueue;
 import net.kyori.adventure.text.minimessage.tag.resolver.TagResolver;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.Contract;
+import org.jetbrains.annotations.Nullable;
+import org.jspecify.annotations.NullMarked;
+
+import java.util.Collection;
 
 /**
  * Expansion that contains placeholders
@@ -23,199 +25,399 @@ import net.kyori.adventure.text.minimessage.tag.resolver.TagResolver;
  * <pre>
  *  Player player = event.getPlayer();
  *  Expansion.Builder builder = Expansion.builder("player")
- *      .audiencePlaceholder("name", (p, queue, ctx) -> Tag.selfClosingInserting(Component.text(((Player)p).getUsername()))
+ *      .resolver(Player.class, "name", (p, queue, ctx) -> Tag.selfClosingInserting(Component.text(p.getUsername()))
  *      .build();
  *  Expansion expansion = builder.build();
  *  // You can also call the {@link Expansion#register} method to register
  *  // the {@link Expansion} in the {@link MiniPlaceholders} global Extensions and
- *  // use it in {@link MiniPlaceholders#getAudiencePlaceholders(Audience)} e.g.
- *  TagResolver resolver = expansion.audiencePlaceholder(player);
- *  player.sendMessage(MiniMessage.miniMessage().deserialize("Hello {@literal <luckperms_prefix> <player_name>}", resolver));
+ *  // use it in {@link MiniPlaceholders#audiencePlaceholders()} e.g.
+ *  TagResolver resolver = expansion.resolver();
+ *  player.sendMessage(MiniMessage.miniMessage().deserialize("Hello {@literal <luckperms_prefix> <player_name>}", player, resolver));
  * </pre>
- * 
+ *
  * @since 1.0.0
  */
+@NullMarked
 public sealed interface Expansion permits ExpansionImpl {
-    /**
-     * Get the expansion name
-     * @return the expansion name
-     * @since 1.0.0
-     */
-    @NotNull String name();
+  /**
+   * Get the expansion name
+   *
+   * @return the expansion name
+   * @since 1.0.0
+   */
+  String name();
+
+  /**
+   * Get the author of this expansion
+   *
+   * @return the author or null
+   * @since 2.3.0
+   */
+  @Nullable String author();
+
+  /**
+   * Get the version of this expansion
+   *
+   * @return the version or null
+   * @since 2.3.0
+   */
+  @Nullable String version();
+
+  /**
+   * Get the {@link TagResolver} of an {@link Audience}
+   *
+   * @return A TagResolver with variable placeholders of an Audience
+   * @since 1.0.0
+   */
+  TagResolver audiencePlaceholders();
+
+  /**
+   * Get the relational placeholders based on two audiences
+   *
+   * <p>The resulting TagResolver will give results according
+   * to the 2 {@link Audience} provided and when called
+   * at any time will retrieve the required values</p>
+   *
+   * @return A TagResolver with variable placeholders between 2 {@link Audience}s
+   * @since 1.0.0
+   */
+  TagResolver relationalPlaceholders();
+
+  /**
+   * Get global placeholders
+   *
+   * @return the global placeholders
+   * @since 1.0.0
+   */
+  TagResolver globalPlaceholders();
+
+  /**
+   * Register this expansion
+   *
+   * @throws IllegalStateException if the expansion you are trying to register is already registered
+   * @see Expansion#registered()
+   * @since 1.0.0
+   */
+  void register();
+
+  /**
+   * Unregisters this expansion
+   *
+   * @throws IllegalStateException if the expansion you are trying to unregister is not registered
+   * @see Expansion#registered()
+   * @since 2.1.0
+   */
+  void unregister();
+
+  /**
+   * Get the registration status of this expansion
+   *
+   * @return true if the expansion is registered, otherwise false
+   * @since 2.1.0
+   */
+  boolean registered();
+
+  /**
+   * Get the registered audience placeholders
+   *
+   * @return registered audience placeholders
+   */
+  Collection<AudiencePlaceholder<?>> registeredAudiencePlaceholders();
+
+  /**
+   * Get the registered relational placeholders
+   *
+   * @return registered relational placeholders
+   */
+  Collection<RelationalPlaceholder<?>> registeredRelationalPlaceholders();
+
+  /**
+   * Get an Audience Placeholder by name
+   *
+   * <pre>{@code
+   *      Expansion expansion = MiniPlaceholders.expansionByName("player")
+   *      AudiencePlaceholder<?> placeholder = expansion.audiencePlaceholderByName("name");
+   * }</pre>
+   *
+   * @param name the name of the placeholder to search
+   * @return the desired placeholder or null
+   */
+  @Nullable AudiencePlaceholder<?> audiencePlaceholderByName(final String name);
+
+  /**
+   * Get a Relational Placeholder by name
+   *
+   * <pre>{@code
+   *      Expansion expansion = MiniPlaceholders.expansionByName("expansion")
+   *      RelationalPlaceholder<?> placeholder = expansion.relationalPlaceholderByName("placeholder");
+   * }</pre>
+   *
+   * @param name the name of the placeholder to search
+   * @return the desired placeholder or null
+   * @apiNote The name of a relational placeholder does not contain the prefix “rel”,
+   * just the name assigned when it was created
+   */
+  @Nullable RelationalPlaceholder<?> relationalPlaceholderByName(final String name);
+
+  /**
+   * Get a Global Placeholder by name
+   *
+   * <pre>{@code
+   *      Expansion expansion = MiniPlaceholders.expansionByName("player")
+   *      GlobalPlaceholder placeholder = expansion.globalPlaceholderByName("name");
+   * }</pre>
+   *
+   * @param name the name of the placeholder to search
+   * @return the desired placeholder or null
+   */
+  @Nullable GlobalPlaceholder globalPlaceholderByName(final String name);
+
+  /**
+   * Checks whether an audience placeholder with the specified name has been registered in this expansion.
+   *
+   * @param name the name of the placeholder to check
+   * @return true if the placeholder is registered, else false
+   */
+  default boolean hasAudiencePlaceholder(final String name) {
+    return audiencePlaceholderByName(name) != null;
+  }
+
+  /**
+   * Checks whether a relational placeholder with the specified name has been registered in this expansion.
+   *
+   * @param name the name of the placeholder to check
+   * @return true if the placeholder is registered, else false
+   */
+  default boolean hasRelationalPlaceholder(final String name) {
+    return relationalPlaceholderByName(name) != null;
+  }
+
+  /**
+   * Checks whether a global placeholder with the specified name has been registered in this expansion.
+   *
+   * @param name the name of the placeholder to check
+   * @return true if the placeholder is registered, else false
+   */
+  default boolean hasGlobalPlaceholder(final String name) {
+    return globalPlaceholderByName(name) != null;
+  }
+
+  /**
+   * Get a TagResolver that contains all placeholders of a specific type in this expansion.
+   *
+   * @param type the desired type
+   * @return a TagResolver containing all placeholder of a specific type
+   */
+  TagResolver placeholdersByType(PlaceholderType type);
+
+  /**
+   * Creates a new Expansion Builder
+   *
+   * @param name the expansion name
+   * @return a new expansion builder
+   * @since 1.0.0
+   */
+  static Expansion.Builder builder(final String name) {
+    return new ExpansionImpl.Builder(name);
+  }
+
+  /**
+   * Get a shorter ToString with the details of this expansion.
+   *
+   * @return a shorter ToString
+   */
+  @ApiStatus.Internal
+  @Deprecated(forRemoval = true, since = "3.1.0")
+  default String shortToString() {
+    final StringBuilder builder = new StringBuilder(name()).append('[');
+    if (author() != null) {
+      builder.append("Author: ").append(author());
+    }
+    if (version() != null) {
+      if (author() != null) {
+        builder.append(", ");
+      }
+      builder.append("Version: ").append(version());
+    }
+    builder.append(']');
+    return builder.toString();
+  }
+
+  /**
+   * Expansion Builder
+   * <p>Example use:</p>
+   * <pre>
+   *  Expansion.Builder builder = Expansion.builder("player");
+   *  builder
+   *      // Thanks to this filter, a cast can be performed without the probability of a ClassCastException
+   *      .filter(Player.class)
+   *      .resolver("name", (audience, queue, ctx) -> Tag.selfClosingInserting(Component.text(((Player)audience).getUsername())));
+   *  Expansion expansion = builder.build();
+   * </pre>
+   * <p>
+   * then use it:
+   *
+   * <pre>
+   *  Player player = event.getPlayer();
+   *  TagResolver resolver = expansion.resolver(player);
+   *  Component messageReplaced = MiniMessage.deserialize({@link String}, resolver);
+   * </pre>
+   *
+   * @since 1.0.0
+   */
+  @NullMarked
+  interface Builder extends AbstractBuilder<Expansion> {
 
     /**
-     * Get the {@link TagResolver} of the desired {@link Audience}
-     * @param audience the audience
-     * @return A TagResolver with variable placeholders of an Audience
-     * @since 1.0.0
-     */
-    @NotNull TagResolver audiencePlaceholders(final @NotNull Audience audience);
-
-    /**
-     * Get the relational placeholders based on two audiences
+     * Adds an audience placeholder
      *
-     * <p>The resulting TagResolver will give results according
-     * to the 2 {@link Audience} provided and when called
-     * at any time will retrieve the required values</p>
-     * @param audience the main audience
-     * @param otherAudience the secondary audience
-     * @return A TagResolver with variable placeholders between 2 {@link Audience}s
+     * <p>This type of Placeholder depends on a specific audience to obtain its values</p>
+     *
+     * <p>The content of this Placeholder is cached
+     * and can mutate depending on when it is invoked</p>
+     *
+     * @param targetClass         the target class
+     * @param key                 the placeholder key, cannot be an empty or black string
+     * @param audiencePlaceholder the single placeholder
+     * @param <A>                 the type of audience that this placeholder supports, must be the same as targetClass
+     * @return the {@link Builder} itself
      * @since 1.0.0
      */
-    @NotNull TagResolver relationalPlaceholders(final @NotNull Audience audience, final @NotNull Audience otherAudience);
+    <A extends Audience> Builder audiencePlaceholder(
+        final @Nullable Class<A> targetClass,
+        final String key,
+        final AudienceTagResolver<A> audiencePlaceholder
+    );
 
     /**
-     * Get global placeholders
-     * @return the global placeholders
-     * @since 1.0.0
+     * Adds an audience placeholder
+     *
+     * <p>This type of Placeholder depends on a specific audience to obtain its values</p>
+     *
+     * <p>The content of this Placeholder is cached
+     * and can mutate depending on when it is invoked</p>
+     *
+     * @param key                 the placeholder key, cannot be an empty or black string
+     * @param audiencePlaceholder the single placeholder
+     * @return the {@link Builder} itself
+     * @since 3.0.0
      */
-    @NotNull TagResolver globalPlaceholders();
+    default Builder audiencePlaceholder(final String key, final AudienceTagResolver<Audience> audiencePlaceholder) {
+      return this.audiencePlaceholder(null, key, audiencePlaceholder);
+    }
 
-    /**
-     * Register this expansion
-     * @since 1.0.0
-     * @throws IllegalStateException if the expansion you are trying to register is already registered
-     * @see Expansion#registered()
-     */
-    void register();
+    <A extends Audience> Builder audiencePlaceholder(
+        final Class<A> targetClass,
+        final AudiencePlaceholder.Builder.Provider<A> builderProvider
+    );
 
-    /**
-     * Unregisters this expansion
-     * @since 2.1.0
-     * @throws IllegalStateException if the expansion you are trying to unregister is not registered
-     * @see Expansion#registered()
-     */
-    void unregister();
-
-    /**
-     * Get the registration status of this expansion
-     * @return true if the expansion is registered, otherwise false
-     * @since 2.1.0
-     */
-    boolean registered();
-
-    /**
-     * Creates a new Expansion Builder
-     * @param name the expansion name
-     * @return a new expansion builder
-     * @since 1.0.0
-     */
-    static @NotNull Expansion.Builder builder(final @NotNull String name){
-        return new ExpansionImpl.Builder(name);
+    default Builder audiencePlaceholder(final AudiencePlaceholder.Builder.Provider<Audience> builderProvider) {
+      return audiencePlaceholder(Audience.class, builderProvider);
     }
 
     /**
-     * Expansion Builder
-     * <p>Example use:</p>
-     * <pre>
-     *  Expansion.Builder builder = Expansion.builder("player");
-     *  builder
-     *      // Thanks to this filter, a cast can be performed without the probability of a ClassCastException
-     *      .filter(Player.class)
-     *      .audiencePlaceholder("name", (audience, queue, ctx) -> Tag.selfClosingInserting(Component.text(((Player)audience).getUsername())));
-     *  Expansion expansion = builder.build();
-     * </pre>
+     * Adds a Relational Placeholder based on two audiences
      *
-     * then use it:
+     * <p>This type of placeholder allows you to create
+     * components based on a 2-audiences relationship,
+     * one is the one on which the placeholder
+     * is based and the other is the one on which
+     * the placeholder is displayed.</p>
      *
-     * <pre>
-     *  Player player = event.getPlayer();
-     *  TagResolver resolver = expansion.audiencePlaceholder(player);
-     *  Component messageReplaced = MiniMessage.deserialize({@link String}, resolver);
-     * </pre>
-     * 
-     * @since 1.0.0
+     * <p>The content of this Placeholder is cached
+     * and can mutate depending on when it is invoked</p>
+     *
+     * @param targetClass           the target class
+     * @param key                   the placeholder key, cannot be an empty or black string
+     * @param relationalPlaceholder the relational placeholder
+     * @param <A>                   the type of audience that this placeholder supports, must be the same as targetClass
+     * @return the {@link Builder} itself
+     * @since 3.0.0
      */
-    interface Builder extends AbstractBuilder<Expansion> {
-        /**
-         * Adds an audience placeholder
-         *
-         * <p>This type of Placeholder depends on a specific audience to obtain its values</p>
-         *
-         * <p>The content of this Placeholder is cached
-         * and can mutate depending on when it is invoked</p>
-         *
-         * @param key the placeholder key, cannot be an empty or black string
-         * @param audiencePlaceholder the single placeholder
-         * @return the {@link Builder} itself
-         * @since 1.0.0
-         */
-        @NotNull Builder audiencePlaceholder(final @NotNull String key, final @NotNull AudiencePlaceholder audiencePlaceholder);
+    <A extends Audience> Builder relationalPlaceholder(
+        final @Nullable Class<A> targetClass,
+        final String key,
+        final RelationalTagResolver<A> relationalPlaceholder
+    );
 
-        /**
-         * Adds a Relational Placeholder based on two audiences
-         *
-         * <p>This type of placeholder allows you to create
-         * components based on a 2-audiences relationship,
-         * one is the one on which the placeholder
-         * is based and the other is the one on which
-         * the placeholder is displayed.</p>
-         *
-         * <p>The content of this Placeholder is cached
-         * and can mutate depending on when it is invoked</p>
-         *
-         * @param key the placeholder key, cannot be an empty or black string
-         * @param relationalPlaceholder the relational placeholder
-         * @return the {@link Builder} itself
-         * @since 1.0.0
-         */
-        @NotNull Builder relationalPlaceholder(final @NotNull String key, final @NotNull RelationalPlaceholder relationalPlaceholder);
-
-        /**
-         * Adds a global placeholder
-         *
-         * <p>The content of this Placeholder is cached
-         * and can mutate depending on when it is invoked</p>
-         * @param key the placeholder key, cannot be an empty or black string
-         * @param function the function
-         * @return the {@link Builder} itself
-         * @since 1.0.0
-         */
-        @NotNull Builder globalPlaceholder(final @NotNull String key, final @NotNull BiFunction<@NotNull ArgumentQueue, @NotNull Context, @Nullable Tag> function);
-
-        /**
-         * Adds a global placeholder
-         * 
-         * <p>This placeholder is not cached and is immutable</p>
-         * @param key the placeholder key, cannot be an empty or black string
-         * @param tag the tag of this placeholder
-         * @return the {@link Builder} itself
-         * @since 1.1.0
-         */
-        @NotNull Builder globalPlaceholder(final @NotNull String key, final @NotNull Tag tag);
-
-        /**
-         * Filter the type of Audiences that this expansion can receive
-         * <p>In case the {@link Expansion#audiencePlaceholders(Audience)} or
-         * {@link Expansion#relationalPlaceholders(Audience, Audience)} method is called
-         * and the provided audiences are not instances of
-         * the specified class, a {@link TagResolver#empty} will be returned</p>
-         *
-         * <p>This eliminates the need to perform a manual
-         * <pre>if(!(audience instanceof Player)) return TagResolver.empty();</pre>
-         *
-         * @param clazz the class to filter
-         * @return the {@link Builder} itself
-         * @since 1.0.0
-         */
-        @Contract("_ -> this")
-        @NotNull Builder filter(final @Nullable Class<? extends Audience> clazz);
-
-        /**
-         * Filters the audiences that this expansion can receive through a Predicate
-         * <p>Example:</p>
-         * <pre>
-         *  Expansion.builder("example")
-         *      .filter(aud -> aud instanceof Player player{@literal &&} isInProtectedServer(player)
-         *      .audiencePlaceholder("hello", (aud, queue, ctx) -> Tag.selfInsertingClosing(Component.text("you are in protected server")))
-         *      .build();
-         * </pre>
-         *
-         * @param predicate the check to realize
-         * @return the {@link Builder} itself
-         * @since 1.0.0
-         */
-        @Contract("_ -> this")
-        @NotNull Builder filter(final @Nullable Predicate<@NotNull Audience> predicate);
+    /**
+     * Adds a Relational Placeholder based on two audiences
+     *
+     * <p>This type of placeholder allows you to create
+     * components based on a 2-audiences relationship,
+     * one is the one on which the placeholder
+     * is based and the other is the one on which
+     * the placeholder is displayed.</p>
+     *
+     * <p>The content of this Placeholder is cached
+     * and can mutate depending on when it is invoked</p>
+     *
+     * @param key                the placeholder key, cannot be an empty or black string
+     * @param relationalResolver the relational placeholder
+     * @return the {@link Builder} itself
+     * @since 3.0.0
+     */
+    default Builder relationalPlaceholder(
+        final String key,
+        final RelationalTagResolver<Audience> relationalResolver
+    ) {
+      return this.relationalPlaceholder(null, key, relationalResolver);
     }
+
+    <A extends Audience> Builder relationalPlaceholder(
+        final Class<A> targetClass,
+        final RelationalPlaceholder.Builder.Provider<A> builderProvider
+    );
+
+    default Builder relationalPlaceholder(final RelationalPlaceholder.Builder.Provider<Audience> builderProvider) {
+      return relationalPlaceholder(Audience.class, builderProvider);
+    }
+
+    /**
+     * Adds a global placeholder
+     *
+     * <p>The content of this Placeholder is cached
+     * and can mutate depending on when it is invoked</p>
+     *
+     * @param key      the placeholder key, cannot be an empty or black string
+     * @param resolver the function
+     * @return the {@link Builder} itself
+     * @since 3.0.0
+     */
+    Builder globalPlaceholder(final String key, final GlobalTagResolver resolver);
+
+    /**
+     * Adds a global placeholder
+     *
+     * <p>This placeholder is not cached and is immutable</p>
+     *
+     * @param key the placeholder key, cannot be an empty or black string
+     * @param tag the tag of this placeholder
+     * @return the {@link Builder} itself
+     * @since 1.1.0
+     */
+    default Builder globalPlaceholder(final String key, final Tag tag) {
+      return this.globalPlaceholder(key, (queue, context) -> tag);
+    }
+
+    /**
+     * Sets the author of this expansion
+     *
+     * @param author the author of this expansion
+     * @return the {@link Builder} itself
+     * @since 2.3.0
+     */
+    @Contract("_ -> this")
+    Builder author(final @Nullable String author);
+
+    /**
+     * Sets the version of this expansion
+     *
+     * @param version the version of this expansion
+     * @return the {@link Builder} itself
+     * @since 2.3.0
+     */
+    @Contract("_ -> this")
+    Builder version(final @Nullable String version);
+  }
 }

api/src/main/java/io/github/miniplaceholders/api/ExpansionImpl.java

@@ -1,226 +1,313 @@
 package io.github.miniplaceholders.api;
 
-import io.github.miniplaceholders.api.placeholder.AudiencePlaceholder;
-import io.github.miniplaceholders.api.placeholder.RelationalPlaceholder;
+import io.github.miniplaceholders.api.placeholder.*;
+import io.github.miniplaceholders.api.resolver.AudienceTagResolver;
+import io.github.miniplaceholders.api.resolver.GlobalTagResolver;
+import io.github.miniplaceholders.api.resolver.RelationalTagResolver;
+import io.github.miniplaceholders.api.types.PlaceholderType;
 import net.kyori.adventure.audience.Audience;
-import net.kyori.adventure.audience.ForwardingAudience;
-import net.kyori.adventure.text.minimessage.Context;
-import net.kyori.adventure.text.minimessage.tag.Tag;
-import net.kyori.adventure.text.minimessage.tag.resolver.ArgumentQueue;
 import net.kyori.adventure.text.minimessage.tag.resolver.TagResolver;
+import org.intellij.lang.annotations.Subst;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jspecify.annotations.NullMarked;
+import org.jspecify.annotations.NullUnmarked;
 
 import java.util.*;
-import java.util.function.BiFunction;
-import java.util.function.Predicate;
 
 import static io.github.miniplaceholders.api.utils.Conditions.nonNullOrEmptyString;
 import static java.util.Objects.requireNonNull;
 
+@NullMarked
 final class ExpansionImpl implements Expansion {
-    private static final Tags.Single[] EMPTY_SINGLE_AUDIENCE = new Tags.Single[0];
-    private static final Tags.Relational[] EMPTY_RELATIONAL_AUDIENCE = new Tags.Relational[0];
-    private final String name;
-    private final Tags.Single[] audiencePlaceholders;
-    private final Tags.Relational[] relationalPlaceholders;
-    private final TagResolver globalPlaceholders;
-    private final Class<? extends Audience> filterClass;
-    private final Predicate<Audience> predicateFilter;
+  private static final AudiencePlaceholder<?>[] EMPTY_SINGLE_AUDIENCE = new AudiencePlaceholder[0];
+  private static final RelationalPlaceholder<?>[] EMPTY_RELATIONAL_AUDIENCE = new RelationalPlaceholder[0];
+  private static final GlobalPlaceholder[] EMPTY_GLOBAL_PLACEHOLDER = new GlobalPlaceholder[0];
 
-    ExpansionImpl(
-        @NotNull final String expansionName,
-        @Nullable final Collection<Tags.Single> audiencePlaceholders,
-        @Nullable final Collection<Tags.Relational> relationalPlaceholders,
-        @Nullable final TagResolver globalPlaceholders,
-        @Nullable final Class<? extends Audience> filterClass,
-        @Nullable final Predicate<Audience> predicateFilter){
-            this.name = expansionName+"-";
-            this.audiencePlaceholders = audiencePlaceholders != null
-                ? audiencePlaceholders.toArray(EMPTY_SINGLE_AUDIENCE)
-                : EMPTY_SINGLE_AUDIENCE;
-            this.relationalPlaceholders = relationalPlaceholders != null
-                ? relationalPlaceholders.toArray(EMPTY_RELATIONAL_AUDIENCE)
-                : EMPTY_RELATIONAL_AUDIENCE;
-            this.globalPlaceholders = globalPlaceholders;
-            this.filterClass = filterClass;
-            this.predicateFilter = predicateFilter;
+  private final String name;
+  private final PlaceholderTagResolver audiencePlaceholders;
+  private final PlaceholderTagResolver relationalPlaceholders;
+  private final PlaceholderTagResolver globalPlaceholders;
+  @Nullable
+  private final String author;
+  @Nullable
+  private final String version;
+
+  ExpansionImpl(
+          final String expansionName,
+          @Nullable final Collection<AudiencePlaceholder<?>> audiencePlaceholders,
+          @Nullable final Collection<RelationalPlaceholder<?>> relationalPlaceholders,
+          @Nullable final Collection<GlobalPlaceholder> globalPlaceholders,
+          @Nullable final String author,
+          @Nullable final String version
+  ) {
+    this.name = expansionName;
+    this.audiencePlaceholders = audiencePlaceholders != null
+            ? new PlaceholderTagResolver(audiencePlaceholders.toArray(EMPTY_SINGLE_AUDIENCE))
+            : PlaceholderTagResolver.EMPTY;
+    this.relationalPlaceholders = relationalPlaceholders != null
+            ? new PlaceholderTagResolver(relationalPlaceholders.toArray(EMPTY_RELATIONAL_AUDIENCE))
+            : PlaceholderTagResolver.EMPTY;
+    this.globalPlaceholders = globalPlaceholders == null
+            ? PlaceholderTagResolver.EMPTY
+            : new PlaceholderTagResolver(globalPlaceholders.toArray(EMPTY_GLOBAL_PLACEHOLDER));
+    this.author = author;
+    this.version = version;
+  }
+
+  @Override
+  public String name() {
+    return this.name;
+  }
+
+  @Override
+  public @Nullable String author() {
+    return this.author;
+  }
+
+  @Override
+  public @Nullable String version() {
+    return this.version;
+  }
+
+  @Override
+  public TagResolver audiencePlaceholders() {
+    if (audiencePlaceholders.placeholders().length == 0) return TagResolver.empty();
+
+    return this.audiencePlaceholders;
+  }
+
+  @Override
+  public TagResolver relationalPlaceholders() {
+    if (relationalPlaceholders.placeholders().length == 0) return TagResolver.empty();
+
+    return this.relationalPlaceholders;
+  }
+
+  @Override
+  public TagResolver globalPlaceholders() {
+    if (globalPlaceholders.placeholders().length == 0) return TagResolver.empty();
+
+    return this.globalPlaceholders;
+  }
+
+  @Override
+  public void register() {
+    if (this.registered()) {
+      throw new IllegalStateException("Expansion" + this.name + "is already registered");
+    }
+    MiniPlaceholders.expansions.add(this);
+  }
+
+  @Override
+  public void unregister() {
+    if (!this.registered()) {
+      throw new IllegalStateException("Expansion " + this.name + " is not registered");
+    }
+    MiniPlaceholders.expansions.remove(this);
+  }
+
+  @Override
+  public boolean registered() {
+    return MiniPlaceholders.expansions.contains(this);
+  }
+
+  @Override
+  public Collection<AudiencePlaceholder<?>> registeredAudiencePlaceholders() {
+    return List.of((AudiencePlaceholder<?>[]) audiencePlaceholders.placeholders());
+  }
+
+  @Override
+  public Collection<RelationalPlaceholder<?>> registeredRelationalPlaceholders() {
+    return List.of((RelationalPlaceholder<?>[]) relationalPlaceholders.placeholders());
+  }
+
+  @Override
+  public @Nullable AudiencePlaceholder<?> audiencePlaceholderByName(String name) {
+    requireNonNull(name);
+    for (Placeholder audiencePlaceholder : audiencePlaceholders.placeholders()) {
+      if (Objects.equals(audiencePlaceholder.name(), name)) {
+        return (AudiencePlaceholder<?>) audiencePlaceholder;
+      }
+    }
+    return null;
+  }
+
+  @Override
+  public @Nullable RelationalPlaceholder<?> relationalPlaceholderByName(String name) {
+    requireNonNull(name);
+    for (Placeholder relationalPlaceholder : relationalPlaceholders.placeholders()) {
+      if (Objects.equals(relationalPlaceholder.name(), name)) {
+        return (RelationalPlaceholder<?>) relationalPlaceholder;
+      }
+    }
+    return null;
+  }
+
+  @Override
+  public @Nullable GlobalPlaceholder globalPlaceholderByName(String name) {
+    for (Placeholder placeholder : globalPlaceholders.placeholders()) {
+      if (Objects.equals(placeholder.name(), name)) {
+        return (GlobalPlaceholder) placeholder;
+      }
+    }
+    return null;
+  }
+
+  @Override
+  public TagResolver placeholdersByType(PlaceholderType type) {
+    return switch (type) {
+      case AUDIENCE -> audiencePlaceholders();
+      case RELATIONAL -> relationalPlaceholders();
+      case GLOBAL -> globalPlaceholders();
+    };
+  }
+
+  @NullUnmarked
+  public static final class Builder implements Expansion.Builder {
+    private final String expansionName;
+    @Subst("server")
+    private final String expansionPrefix;
+    private Set<AudiencePlaceholder<?>> audiencePlaceholders;
+    private Set<RelationalPlaceholder<?>> relationalPlaceholders;
+    private Set<GlobalPlaceholder> globalPlaceholders;
+    private String author;
+    private String version;
+
+    Builder(@NotNull final String name) {
+      this.expansionName = nonNullOrEmptyString(name, "Expansion name");
+      this.expansionPrefix = name.toLowerCase(Locale.ROOT).concat("_");
+    }
+
+      @Override
+      public <A extends Audience> Expansion.Builder audiencePlaceholder(
+              final Class<A> targetClass,
+              final @NotNull @Subst("placeholder") String key,
+              final @NotNull AudienceTagResolver<@NotNull A> audiencePlaceholder
+      ) {
+          nonNullOrEmptyString(key, "Placeholder key");
+          requireNonNull(audiencePlaceholder, "the audience placeholder cannot be null");
+
+          if (this.audiencePlaceholders == null) this.audiencePlaceholders = new HashSet<>();
+
+          this.audiencePlaceholders.add(AudiencePlaceholder.single(targetClass, expansionPrefix + key, key, audiencePlaceholder));
+          return this;
+      }
+
+    @Override
+    public <A extends Audience> Expansion.Builder audiencePlaceholder(
+        final @NotNull Class<A> targetClass,
+        final @NotNull AudiencePlaceholder.Builder.Provider<A> builderProvider
+    ) {
+      requireNonNull(targetClass, "target class");
+      requireNonNull(builderProvider, "builder");
+
+      if (this.audiencePlaceholders == null) this.audiencePlaceholders = new HashSet<>();
+
+      final AudiencePlaceholder.Builder<A> builder = AudiencePlaceholder.builder(targetClass);
+      builderProvider.provide(builder);
+      final AudiencePlaceholder<@NotNull A> placeholder = builder.build(expansionPrefix);
+
+      this.audiencePlaceholders.add(placeholder);
+      return this;
     }
 
     @Override
-    public @NotNull String name(){
-        return this.name;
+    public <A extends Audience> @NotNull Builder relationalPlaceholder(
+            @Nullable Class<A> targetClass,
+            @Subst("relation") @NotNull String key,
+            @NotNull RelationalTagResolver<@NotNull A> relationalPlaceholder
+    ) {
+      nonNullOrEmptyString(key, "Placeholder key");
+      requireNonNull(relationalPlaceholder, "the relational placeholder cannot be null");
+
+      if (this.relationalPlaceholders == null) this.relationalPlaceholders = new HashSet<>();
+
+      final var relationalTag = RelationalPlaceholder.relational(targetClass, expansionPrefix + "rel_" + key, key, relationalPlaceholder);
+      this.relationalPlaceholders.add(relationalTag);
+      return this;
     }
 
     @Override
-    public @NotNull TagResolver audiencePlaceholders(@NotNull Audience audience) {
-        if (audiencePlaceholders.length == 0) return TagResolver.empty();
+    public <A extends Audience> Expansion.Builder relationalPlaceholder(
+        final @NotNull Class<A> targetClass,
+        final @NotNull RelationalPlaceholder.Builder.Provider<A> builderProvider
+    ) {
+      requireNonNull(targetClass, "target class");
+      requireNonNull(builderProvider, "builder");
 
-        requireNonNull(audience, "the audience cannot be null");
+      if (this.relationalPlaceholders == null) this.relationalPlaceholders = new HashSet<>();
 
-        if ((audience = expansionFilter(audience)) == null) return TagResolver.empty();
+      final RelationalPlaceholder.Builder<A> builder = RelationalPlaceholder.builder(targetClass);
+      builderProvider.provide(builder);
+      final RelationalPlaceholder<@NotNull A> placeholder = builder.build(expansionPrefix);
 
-        final TagResolver.Builder placeholders = TagResolver.builder();
-        for (final Tags.Single pl : this.audiencePlaceholders) {
-            placeholders.resolver(pl.of(audience));
-        }
-        return placeholders.build();
-    }
-
-    @SuppressWarnings("OverrideOnly")
-    private Audience expansionFilter(final Audience audience) {
-        if (audience == null || filterClass == null && predicateFilter == null) {
-            return audience;
-        }
-        final boolean eligible = filterClass != null && filterClass.isInstance(audience)
-                || predicateFilter != null && predicateFilter.test(audience);
-        if (eligible) {
-            return audience;
-        }
-        if (audience instanceof final ForwardingAudience.Single forward) {
-            return expansionFilter(forward.audience());
-        }
-        return null;
+      this.relationalPlaceholders.add(placeholder);
+      return this;
     }
 
     @Override
-    public @NotNull TagResolver relationalPlaceholders(@NotNull Audience audience, @NotNull Audience otherAudience){
-        if (relationalPlaceholders.length == 0) return TagResolver.empty();
+    public @NotNull Builder globalPlaceholder(
+            @Subst("time") @NotNull final String key,
+            @NotNull final GlobalTagResolver function
+    ) {
+      nonNullOrEmptyString(key, "Placeholder key");
+      requireNonNull(function, "the global placeholder cannot be null");
 
-        requireNonNull(audience, "the audience cannot be null");
-        requireNonNull(otherAudience, "the other audience cannot be null");
+      if (this.globalPlaceholders == null) this.globalPlaceholders = new HashSet<>();
 
-        audience = expansionFilter(audience);
-        otherAudience = expansionFilter(otherAudience);
-        if (audience == null || otherAudience == null) {
-            return TagResolver.empty();
-        }
-
-        final TagResolver.Builder placeholders = TagResolver.builder();
-        for (final Tags.Relational pl : this.relationalPlaceholders) {
-            placeholders.resolver(pl.of(audience, otherAudience));
-        }
-        return placeholders.build();
+      final var globalResolver = new GlobalPlaceholder(expansionPrefix + key, key, function);
+      this.globalPlaceholders.add(globalResolver);
+      return this;
     }
 
     @Override
-    public @NotNull TagResolver globalPlaceholders(){
-        return this.globalPlaceholders;
+    public Expansion.@NotNull Builder author(@Nullable final String author) {
+      this.author = author;
+      return this;
     }
 
     @Override
-    public void register() {
-        if (this.registered()) {
-            throw new IllegalStateException("Expansion" + this.name + "is already registered");
-        }
-        MiniPlaceholders.expansions.add(this);
+    public Expansion.@NotNull Builder version(@Nullable final String version) {
+      this.version = version;
+      return this;
     }
 
     @Override
-    public void unregister() {
-        if (!this.registered()) {
-            throw new IllegalStateException("Expansion " + this.name + " is not registered");
-        }
-        MiniPlaceholders.expansions.remove(this);
+    public @NotNull Expansion build() {
+      return new ExpansionImpl(
+              this.expansionName,
+              this.audiencePlaceholders,
+              this.relationalPlaceholders,
+              this.globalPlaceholders,
+              this.author,
+              this.version
+      );
     }
+  }
 
-    @Override
-    public boolean registered() {
-        return MiniPlaceholders.expansions.contains(this);
-    }
+  @Override
+  public boolean equals(final Object o) {
+    if (this == o) return true;
+    if (!(o instanceof Expansion that)) return false;
 
-    static final class Builder implements Expansion.Builder {
-        private final String expansionName;
-        private Set<Tags.Single> audiencePlaceholders;
-        private Set<Tags.Relational> relationalPlaceholders;
-        private TagResolver.Builder globalPlaceholders;
-        private Class<? extends Audience> filterClass;
-        private Predicate<Audience> predicateFilter;
+    return that.name().equalsIgnoreCase(this.name());
+  }
 
-        Builder(@NotNull final String name){
-            this.expansionName = nonNullOrEmptyString(name, "Expansion name")
-                .toLowerCase(Locale.ROOT).concat("_");
-        }
+  @Override
+  public int hashCode() {
+    return Objects.hash(name.hashCode());
+  }
 
-        @Override
-        public @NotNull Builder audiencePlaceholder(@NotNull final String key, @NotNull final AudiencePlaceholder audiencePlaceholder){
-            nonNullOrEmptyString(key, "Placeholder key");
-            requireNonNull(audiencePlaceholder, "the audience placeholder cannot be null");
-
-            if (this.audiencePlaceholders == null) this.audiencePlaceholders = new HashSet<>();
-
-            this.audiencePlaceholders.add(Tags.single(expansionName+key, audiencePlaceholder));
-            return this;
-        }
-
-        @Override
-        public @NotNull Builder relationalPlaceholder(@NotNull final String key, @NotNull final RelationalPlaceholder relationalPlaceholder){
-            nonNullOrEmptyString(key, "Placeholder key");
-            requireNonNull(relationalPlaceholder, "the relational placeholder cannot be null");
-
-            if (this.relationalPlaceholders == null) this.relationalPlaceholders = new HashSet<>();
-
-            this.relationalPlaceholders.add(Tags.relational(expansionName+"rel_"+key, relationalPlaceholder));
-            return this;
-        }
-
-        @Override
-        public @NotNull Builder globalPlaceholder(@NotNull final String key, @NotNull final BiFunction<ArgumentQueue, Context, Tag> function){
-            nonNullOrEmptyString(key, "Placeholder key");
-            requireNonNull(function, "the global placeholder cannot be null");
-
-            if (this.globalPlaceholders == null) this.globalPlaceholders = TagResolver.builder();
-
-            this.globalPlaceholders.tag(expansionName+key, function);
-            return this;
-        }
-
-        @Override
-        public @NotNull Builder globalPlaceholder(@NotNull final String key, @NotNull final Tag tag){
-            nonNullOrEmptyString(key, "Placeholder key");
-            requireNonNull(tag, "the tag cannot be null");
-
-            if (this.globalPlaceholders == null) this.globalPlaceholders = TagResolver.builder();
-
-            this.globalPlaceholders.tag(expansionName+key, tag);
-            return this;
-        }
-
-        @Override
-        public @NotNull Builder filter(@Nullable final Class<? extends Audience> clazz) {
-            this.filterClass = clazz;
-            return this;
-        }
-
-        @Override
-        public @NotNull Builder filter(@Nullable final Predicate<Audience> predicate){
-            this.predicateFilter = predicate;
-            return this;
-        }
-
-        @Override
-        public @NotNull Expansion build(){
-            return new ExpansionImpl(
-                this.expansionName,
-                this.audiencePlaceholders,
-                this.relationalPlaceholders,
-                this.globalPlaceholders != null ? this.globalPlaceholders.build() : TagResolver.empty(),
-                this.filterClass,
-                this.predicateFilter
-            );
-        }
-    }
-
-    @Override
-    public boolean equals(final Object o) {
-        if (this == o) return true;
-        if (!(o instanceof Expansion that)) return false;
-
-        return that.name().equalsIgnoreCase(this.name());
-    }
-
-    @Override
-    public int hashCode(){
-        return Objects.hash(name.hashCode());
-    }
+  @Override
+  public String toString() {
+    return "ExpansionImpl{" +
+            "name='" + name + '\'' +
+            ", audiencePlaceholders=" + audiencePlaceholders +
+            ", relationalPlaceholders=" + relationalPlaceholders +
+            ", globalPlaceholders=" + globalPlaceholders +
+            ", author='" + author + '\'' +
+            ", version='" + version + '\'' +
+            '}';
+  }
 }

api/src/main/java/io/github/miniplaceholders/api/MiniPlaceholders.java

@@ -1,21 +1,25 @@
 package io.github.miniplaceholders.api;
 
-import io.github.miniplaceholders.api.enums.Platform;
+import io.github.miniplaceholders.api.types.PlaceholderType;
+import io.github.miniplaceholders.api.types.Platform;
+import io.github.miniplaceholders.api.types.RelationalAudience;
 import io.github.miniplaceholders.connect.InternalPlatform;
 import net.kyori.adventure.audience.Audience;
 import net.kyori.adventure.text.minimessage.tag.resolver.TagResolver;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.annotations.Unmodifiable;
 
+import java.util.Collection;
+import java.util.Collections;
 import java.util.Objects;
 import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 
 import static io.github.miniplaceholders.api.utils.Resolvers.applyIfNotEmpty;
-import static java.util.Objects.requireNonNull;
 
 /**
- * MiniPlaceholders
+ * MiniPlaceholders, a component-based placeholders API.
  *
  * <p>This class allows you to obtain the {@link TagResolver}
  * that other plugins provide based on single {@link Audience},
@@ -31,15 +35,15 @@ public final class MiniPlaceholders {
     static final Set<Expansion> expansions = ConcurrentHashMap.newKeySet();
 
     /**
-     * Get the platform
+     * Get the platform on which MiniPlaceholders is running.
+     *
      * @return the platform
-     * @since 1.0.0
+     * @since 3.0.0
      */
-    public static @NotNull Platform getPlatform() {
+    public static @NotNull Platform platform() {
         return switch (InternalPlatform.platform()) {
             case PAPER -> Platform.PAPER;
             case VELOCITY -> Platform.VELOCITY;
-            case KRYPTON -> Platform.KRYPTON;
             case FABRIC -> Platform.FABRIC;
             case SPONGE -> Platform.SPONGE;
         };
@@ -48,39 +52,38 @@ public final class MiniPlaceholders {
     /**
      * Get the global placeholders
      *
-     * <pre>TagResolver resolver = MiniPlaceholders.getGlobalPlaceholders();
+     * <pre>TagResolver resolver = MiniPlaceholders.globalPlaceholders();
      * Component messageParsed = MiniMessage.miniMessage().deserialize({@link String}, resolver);</pre>
      *
      * @return global placeholders independent of any audience
      * @see TagResolver
-     * @since 1.0.0
+     * @since 3.0.0
      */
-    public static @NotNull TagResolver getGlobalPlaceholders() {
+    public static @NotNull TagResolver globalPlaceholders() {
         final TagResolver.Builder builder = TagResolver.builder();
         for (final Expansion expansion : expansions) {
             final TagResolver resolver = expansion.globalPlaceholders();
-            if (resolver != TagResolver.empty())
-                builder.resolver(resolver);
+            applyIfNotEmpty(resolver, builder);
         }
         return builder.build();
     }
 
     /**
-     * Get the TagResolver based on an Audience
+     * Gets the TagResolver that can get data from an Audience.
+     * <br>
+     * The audience is provided at the time of parsing from the respective MiniMessage instance.
      *
-     * <pre>TagResolver resolver = MiniPlaceholders.getAudiencePlaceholders({@link Audience});
-     * Component messageParsed = MiniMessage.miniMessage().deserialize({@link String}, resolver);</pre>
+     * <pre>TagResolver resolver = MiniPlaceholders.audiencePlaceholders();
+     * Component messageParsed = MiniMessage.miniMessage().deserialize({@link String}, {@link Audience}, resolver);
+     * </pre>
      *
-     * @param audience the audience
      * @return {@link TagResolver} with placeholders based on an audience
-     * @since 1.0.0
+     * @since 3.0.0
      */
-    public static @NotNull TagResolver getAudiencePlaceholders(final @NotNull Audience audience) {
-        requireNonNull(audience, "audience cannot be null");
-
+    public static @NotNull TagResolver audiencePlaceholders() {
         final TagResolver.Builder resolvers = TagResolver.builder();
-        for (Expansion expansion : expansions) {
-            final TagResolver resolver = expansion.audiencePlaceholders(audience);
+        for (final Expansion expansion : expansions) {
+            final TagResolver resolver = expansion.audiencePlaceholders();
             applyIfNotEmpty(resolver, resolvers);
         }
         return resolvers.build();
@@ -88,54 +91,53 @@ public final class MiniPlaceholders {
 
     /**
      * Get the relational placeholders based on two audiences
+     * <br>
+     * The audiences are provided at the time of parsing
+     * from the respective MiniMessage instance through the use of a {@link RelationalAudience}.
      *
-     * <pre>TagResolver resolver = MiniPlaceholders.getRelationalPlaceholders({@link Audience}, {@link Audience});
-     * Component messageParsed = MiniMessage.miniMessage().deserialize({@link String}, resolver);</pre>
+     * <pre>{@code
+     *      TagResolver resolver = MiniPlaceholders.relationalPlaceholders();
+     *      Component parsed = MiniMessage.miniMessage().deserialize(@link String, {@link RelationalAudience}, resolver);
+     * }</pre>
      *
-     * @param audience an audience
-     * @param otherAudience another audience
      * @return placeholders based on two audiences
-     * @since 1.0.0
+     * @since 3.0.0
+     * @see RelationalAudience
      */
-    public static @NotNull TagResolver getRelationalPlaceholders(final @NotNull Audience audience, final @NotNull Audience otherAudience) {
-        requireNonNull(audience, "audience cannot be null");
-        requireNonNull(otherAudience, "otherAudience cannot be null");
-
+    public static @NotNull TagResolver relationalPlaceholders() {
         final TagResolver.Builder builder = TagResolver.builder();
         for (final Expansion expansion : expansions) {
-            applyIfNotEmpty(
-                expansion.relationalPlaceholders(audience, otherAudience),
-                builder
-            );
+            applyIfNotEmpty(expansion.relationalPlaceholders(), builder);
         }
 
         return builder.build();
     }
 
     /**
-     * Get the TagResolver based on an Audience and the global placeholders
+     * Get a TagResolver that can obtain data based on a relationship of 2 audiences
+     * and at the same time from the main audience and global placeholders.
+     * <br>
+     * The audience is provided at the time of parsing from the respective MiniMessage instance.
      *
      * <pre>
-     * TagResolver resolver = MiniPlaceholders.getAudienceGlobalPlaceholders({@link Audience});
+     * TagResolver resolver = MiniPlaceholders.audienceGlobalPlaceholders();
      * TagResolver resolver2 = TagResolver.resolver(
-     *  MiniPlaceholders.getAudienceGlobalPlaceholders({@link Audience}),
-     *  MiniPlaceholders.getGlobalPlaceholders()
+     *  MiniPlaceholders.audienceGlobalPlaceholders(),
+     *  MiniPlaceholders.globalPlaceholders()
      * );
      * // This two resolvers returns the same TagResolver
      * assertEquals(resolver, resolver2);
-     * Component messageParsed = MiniMessage.miniMessage().deserialize({@link String}, resolver);
+     * Component parsed = MiniMessage.miniMessage().deserialize({@link String}, {@link Audience}, resolver);
      * </pre>
      *
-     * @param audience the audience
      * @return {@link TagResolver} with placeholders based on an audience and the global placeholders
      * @since 1.1.0
      */
-    public static @NotNull TagResolver getAudienceGlobalPlaceholders(final @NotNull Audience audience) {
-        requireNonNull(audience, "audience cannot be null");
+    public static @NotNull TagResolver audienceGlobalPlaceholders() {
         final TagResolver.Builder builder = TagResolver.builder();
 
         for (final Expansion expansion : expansions) {
-            applyIfNotEmpty(expansion.audiencePlaceholders(audience), builder);
+            applyIfNotEmpty(expansion.audiencePlaceholders(), builder);
             applyIfNotEmpty(expansion.globalPlaceholders(), builder);
         }
 
@@ -147,30 +149,27 @@ public final class MiniPlaceholders {
      * and the global placeholders
      *
      * <pre>
-     * TagResolver resolver = MiniPlaceholders.getRelationalGlobalPlaceholders({@link Audience}, {@link Audience});
+     * TagResolver resolver = MiniPlaceholders.relationalGlobalPlaceholders();
      * TagResolver resolver2 = TagResolver.resolver(
-     *  MiniPlaceholders.getRelationalPlaceholders(audience1, audience2),
-     *  MiniPlaceholders.getAudiencePlaceholders(audience1),
-     *  MiniPlaceholders.getGlobalPlaceholders()
+     *  MiniPlaceholders.relationalPlaceholders(),
+     *  MiniPlaceholders.audiencePlaceholders(),
+     *  MiniPlaceholders.globalPlaceholders()
      * );
      * // This methods should return the same TagResolver
      * assertEquals(resolver, resolver2);
-     * Component messageParsed = MiniMessage.miniMessage().deserialize({@link String}, resolver);
+     * Component messageParsed = MiniMessage.miniMessage().deserialize({@link String}, {@link RelationalAudience}, resolver);
      * </pre>
      *
-     * @param audience an audience
-     * @param otherAudience another audience
      * @return the placeholders based on two audiences, placeholders based on the first audience and the global placeholders
-     * @since 1.1.0
+     * @since 3.0.0
+     * @apiNote In the case of audience placeholders, the audience to be used will be the {@link RelationalAudience#audience()}
+     * @see RelationalAudience
      */
-    public static @NotNull TagResolver getRelationalGlobalPlaceholders(final @NotNull Audience audience, final @NotNull Audience otherAudience) {
-        requireNonNull(audience, "audience cannot be null");
-        requireNonNull(otherAudience, "otherAudience cannot be null");
-
+    public static @NotNull TagResolver relationalGlobalPlaceholders() {
         final TagResolver.Builder builder = TagResolver.builder();
         for (final Expansion expansion : expansions) {
-            applyIfNotEmpty(expansion.audiencePlaceholders(audience), builder);
-            applyIfNotEmpty(expansion.relationalPlaceholders(audience, otherAudience), builder);
+            applyIfNotEmpty(expansion.audiencePlaceholders(), builder);
+            applyIfNotEmpty(expansion.relationalPlaceholders(), builder);
             applyIfNotEmpty(expansion.globalPlaceholders(), builder);
         }
 
@@ -178,11 +177,33 @@ public final class MiniPlaceholders {
     }
 
     /**
-     * Get the amount of expansion registered
-     * @return the amount of expansions registered
-     * @since 1.0.0
+     * Get a TagResolver based on the desired placeholder type.
+     * <br>
+     * {@link PlaceholderType#GLOBAL} will return {@link #globalPlaceholders()}
+     * <br>
+     * {@link PlaceholderType#AUDIENCE} will return {@link #audiencePlaceholders()}
+     * <br>
+     * {@link PlaceholderType#RELATIONAL} will return {@link #relationalPlaceholders()}
+     *
+     * @param type the desired type
+     * @return the TagResolvers from the respective type
+     * @see PlaceholderType
      */
-    public static int getExpansionCount(){
+    public static TagResolver placeholdersByType(final PlaceholderType type) {
+        return switch (type) {
+            case GLOBAL -> globalPlaceholders();
+            case AUDIENCE -> audiencePlaceholders();
+            case RELATIONAL -> relationalPlaceholders();
+        };
+    }
+
+    /**
+     * Get the amount of expansion registered.
+     *
+     * @return the amount of expansions registered
+     * @since 3.0.0
+     */
+    public static int expansionCount(){
         return expansions.size();
     }
 
@@ -193,14 +214,15 @@ public final class MiniPlaceholders {
      *     Expansion expansion = Expansion.builder("example").build();
      *     expansion.register();
      *
-     *     assertThat(MiniPlaceholders.getExpansionByName("example")).isNotNull();
+     *     assertThat(MiniPlaceholders.expansionByName("example")).isNotNull();
      * </pre>
+     *
      * @param name the name of the required expansion
      * @return the required expansion, if not present, will return null
      * @see Expansion#builder(String)
-     * @since 2.1.0
+     * @since 3.0.0
      */
-    public static @Nullable Expansion getExpansionByName(final @NotNull String name) {
+    public static @Nullable Expansion expansionByName(final @NotNull String name) {
         for (final Expansion expansion : expansions) {
             if (Objects.equals(expansion.name(), name)) {
                 return expansion;
@@ -208,4 +230,15 @@ public final class MiniPlaceholders {
         }
         return null;
     }
+
+    /**
+     * Obtain all available registered expansions
+     *
+     * @return all available registered expansions
+     * @since 3.0.0
+     */
+    @Unmodifiable
+    public static Collection<Expansion> expansionsAvailable() {
+        return Collections.unmodifiableSet(expansions);
+    }
 }

api/src/main/java/io/github/miniplaceholders/api/Tags.java

@@ -1,107 +0,0 @@
-package io.github.miniplaceholders.api;
-
-import java.util.Objects;
-
-import io.github.miniplaceholders.api.placeholder.AudiencePlaceholder;
-import io.github.miniplaceholders.api.placeholder.RelationalPlaceholder;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-import net.kyori.adventure.audience.Audience;
-import net.kyori.adventure.text.minimessage.Context;
-import net.kyori.adventure.text.minimessage.ParsingException;
-import net.kyori.adventure.text.minimessage.tag.Tag;
-import net.kyori.adventure.text.minimessage.tag.resolver.ArgumentQueue;
-import net.kyori.adventure.text.minimessage.tag.resolver.TagResolver;
-
-final class Tags {
-    private Tags() {}
-
-    static Relational relational(@NotNull final String name, @NotNull final RelationalPlaceholder relationalPlaceholder){
-        return new Tags.Relational(name, relationalPlaceholder);
-    }
-
-    static Single single(@NotNull final String name, @NotNull final AudiencePlaceholder audiencePlaceholder){
-        return new Single(name, audiencePlaceholder);
-    }
-
-    static final class Relational {
-        private final RelationalPlaceholder relationalPlaceholder;
-        private final String key;
-
-        Relational(final String key, final RelationalPlaceholder relationalPlaceholder){
-            this.relationalPlaceholder = relationalPlaceholder;
-            this.key = key;
-        }
-
-        TagResolver of(@NotNull final Audience audience, @NotNull final Audience otherAudience){
-            return new TagResolver() {
-                @Override
-                public @Nullable Tag resolve(@NotNull String name, @NotNull ArgumentQueue arguments,
-                        @NotNull Context ctx) throws ParsingException {
-
-                    return this.has(name)
-                        ? relationalPlaceholder.tag(audience, otherAudience, arguments, ctx)
-                        : null;
-                }
-
-                @Override
-                public boolean has(@NotNull String name) {
-                    return key.equalsIgnoreCase(name);
-                }
-            };
-        }
-
-        @Override
-        public boolean equals(final Object o) {
-            if (o == this) return true;
-            if (!(o instanceof final Relational that)) return false;
-            return that.key.equalsIgnoreCase(this.key);
-        }
-
-        @Override
-        public int hashCode(){
-            return Objects.hash(key);
-        }
-    }
-
-    static final class Single {
-        private final AudiencePlaceholder audiencePlaceholder;
-        private final String key;
-
-        private Single(@NotNull final String key, @NotNull final AudiencePlaceholder audiencePlaceholder){
-            this.key = key;
-            this.audiencePlaceholder = audiencePlaceholder;
-        }
-
-        TagResolver of(@NotNull final Audience audience){
-            return new TagResolver() {
-
-                @Override
-                public @Nullable Tag resolve(@NotNull String name, @NotNull ArgumentQueue arguments,
-                        @NotNull Context ctx) throws ParsingException {
-                    return this.has(name)
-                        ? audiencePlaceholder.tag(audience, arguments, ctx)
-                        : null;
-                }
-
-                @Override
-                public boolean has(@NotNull String name) {
-                    return key.equalsIgnoreCase(name);
-                }
-            };
-        }
-
-        @Override
-        public boolean equals(final Object o) {
-            if (o == this) return true;
-            if (!(o instanceof final Single that)) return false;
-            return that.key.equalsIgnoreCase(this.key);
-        }
-
-        @Override
-        public int hashCode(){
-            return Objects.hash(key);
-        }
-    }
-}

api/src/main/java/io/github/miniplaceholders/api/enums/Platform.java

@@ -1,15 +0,0 @@
-package io.github.miniplaceholders.api.enums;
-
-/**Platforms on which MiniPlaceholders can be used */
-public enum Platform {
-    /**Paper Platform */
-    PAPER,
-    /**Velocity Platform */
-    VELOCITY,
-    /**Krypton Platform */
-    KRYPTON,
-    /**Fabric Platform */
-    FABRIC,
-    /**Sponge Platform */
-    SPONGE
-}

api/src/main/java/io/github/miniplaceholders/api/enums/package-info.java

@@ -1,2 +0,0 @@
-/**Plugin enums */
-package io.github.miniplaceholders.api.enums;

api/src/main/java/io/github/miniplaceholders/api/placeholder/AudiencePlaceholder.java

@@ -1,27 +1,214 @@
 package io.github.miniplaceholders.api.placeholder;
 
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
+import io.github.miniplaceholders.api.resolver.AudienceTagResolver;
 import net.kyori.adventure.audience.Audience;
+import net.kyori.adventure.audience.ForwardingAudience;
+import net.kyori.adventure.pointer.Pointered;
 import net.kyori.adventure.text.minimessage.Context;
 import net.kyori.adventure.text.minimessage.tag.Tag;
+import net.kyori.adventure.text.minimessage.tag.TagPattern;
 import net.kyori.adventure.text.minimessage.tag.resolver.ArgumentQueue;
+import org.intellij.lang.annotations.Subst;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jspecify.annotations.NonNull;
+import org.jspecify.annotations.NullMarked;
+import org.jspecify.annotations.NullUnmarked;
 
-/**Audience Placeholder based on an Audience */
-@FunctionalInterface
-public interface AudiencePlaceholder {
-    /**
-     * A Tag based on an Audience
-     * @param audience the audience
-     * @param queue the argument queue
-     * @param ctx the context
-     * @return a Tag
-     * @since 1.0.0
-     */
-    @Nullable Tag tag(
-        @NotNull final Audience audience,
-        @NotNull final ArgumentQueue queue,
-        @NotNull final Context ctx
+import java.util.Objects;
+import java.util.function.Predicate;
+
+import static java.util.Objects.requireNonNull;
+
+/**
+ * A placeholder that can be applied based on an audience of the specified type.
+ *
+ * @param targetClass  the type of audience from which this placeholder can obtain information
+ * @param targetFilter the filter that will be applied to the audience before being able to evaluate its return tag
+ * @param key          the full placeholder key
+ * @param name         the name of this placeholder
+ * @param resolver     the object responsible for obtaining audience information
+ * @param <A>          the parametrized type
+ */
+@NullMarked
+public record AudiencePlaceholder<A extends Audience>(
+    @Nullable Class<A> targetClass,
+    @Nullable Predicate<A> targetFilter,
+    @TagPattern String key,
+    @TagPattern String name,
+    AudienceTagResolver<A> resolver,
+    @Nullable PlaceholderMetadata placeholderMetadata
+) implements Placeholder {
+
+  /**
+   * A placeholder that can be applied based on an audience of the specified type.
+   *
+   * @param targetClass the type of audience from which this placeholder can obtain information
+   * @param key         the full placeholder key
+   * @param name        the name of this placeholder
+   * @param resolver    the object responsible for obtaining audience information
+   * @since 3.0.0
+   */
+  public AudiencePlaceholder(
+      final @Nullable Class<A> targetClass,
+      final @TagPattern String key,
+      final @TagPattern String name,
+      final AudienceTagResolver<A> resolver
+  ) {
+    this(targetClass, null, key, name, resolver, null);
+  }
+
+  /**
+   * Creates a new AudiencePlaceholder.
+   *
+   * @param targetClass the type of audience from which this placeholder can obtain information
+   * @param key         the placeholder key
+   * @param name        the name of this placeholder
+   * @param resolver    the object responsible for obtaining audience information
+   * @param <A>         the parametrized type
+   * @return a new AudiencePlaceholder
+   * @since 3.0.0
+   */
+  public static <A extends Audience> AudiencePlaceholder<A> single(
+      @Nullable Class<A> targetClass,
+      @TagPattern String key,
+      @TagPattern String name,
+      AudienceTagResolver<A> resolver
+  ) {
+    return new AudiencePlaceholder<>(
+        targetClass,
+        null,
+        requireNonNull(key),
+        requireNonNull(name),
+        requireNonNull(resolver),
+        null
     );
-}
+  }
+
+  public static <A extends Audience> Builder<A> builder(final Class<A> clazz) {
+    requireNonNull(clazz);
+    return new Builder<>(clazz);
+  }
+
+  public static Builder<Audience> builder() {
+    return new Builder<>(Audience.class);
+  }
+
+  @Override
+  public @Nullable Tag resolve(final String name, final ArgumentQueue arguments, final Context ctx) {
+    final Pointered targetRaw = ctx.target();
+    if (targetRaw == null) {
+      return null;
+    }
+    if (targetClass == null) {
+      //noinspection unchecked
+      return this.resolveA(name, (A) targetRaw, arguments, ctx);
+    }
+    final @Nullable A audience = forwardingFilter(targetRaw);
+    if (audience == null) {
+      return null;
+    }
+    if (targetFilter != null && !targetFilter.test(audience)) {
+      return null;
+    }
+    return resolveA(name, audience, arguments, ctx);
+  }
+
+  private @Nullable Tag resolveA(String key, A audience, ArgumentQueue queue, Context ctx) {
+    return this.has(key)
+        ? resolver.tag(audience, queue, ctx)
+        : null;
+  }
+
+  @SuppressWarnings("OverrideOnly")
+  private @Nullable A forwardingFilter(final Pointered source) {
+    //noinspection DataFlowIssue
+    if (targetClass.isInstance(source)) {
+      return targetClass.cast(source);
+    }
+    if (source instanceof final ForwardingAudience.Single forward) {
+      return forwardingFilter(forward.audience());
+    }
+    return null;
+  }
+
+  @Override
+  public boolean has(String name) {
+    return key.equalsIgnoreCase(name);
+  }
+
+  @Override
+  public boolean equals(final Object o) {
+    if (o == this) return true;
+    if (!(o instanceof AudiencePlaceholder<?> that)) return false;
+    return that.key.equalsIgnoreCase(this.key);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(key);
+  }
+
+  @Override
+  public String toString() {
+    return "AudiencePlaceholder{" +
+        "key='" + key + '\'' +
+        '}';
+  }
+
+  @NullUnmarked
+  public static final class Builder<A extends Audience> {
+    @NotNull
+    private final Class<A> targetClass;
+    @TagPattern
+    private String name;
+    @Nullable
+    private Predicate<A> targetFilter;
+    private AudienceTagResolver<@NotNull A> resolver;
+    @Nullable
+    private PlaceholderMetadata metadata;
+
+    Builder(final @NotNull Class<A> targetClass) {
+      this.targetClass = targetClass;
+    }
+
+    public Builder<A> name(final @NonNull @TagPattern String name) {
+      this.name = requireNonNull(name, "placeholder name");
+      return this;
+    }
+
+    public Builder<A> targetFilter(final Predicate<A> targetFilter) {
+      this.targetFilter = targetFilter;
+      return this;
+    }
+
+    public Builder<A> resolver(final @NotNull AudienceTagResolver<@NotNull A> resolver) {
+      this.resolver = requireNonNull(resolver);
+      return this;
+    }
+
+    public Builder<A> metadata(final PlaceholderMetadata metadata) {
+      this.metadata = metadata;
+      return this;
+    }
+
+    public @NonNull AudiencePlaceholder<@NonNull A> build(final @NotNull @Subst("expansion") String expansionPrefix) {
+      requireNonNull(this.name, "name");
+      requireNonNull(this.resolver, "resolver");
+      return new AudiencePlaceholder<>(
+          targetClass,
+          targetFilter,
+          expansionPrefix+name,
+          name,
+          resolver,
+          metadata
+      );
+    }
+
+    @FunctionalInterface
+    public interface Provider<A extends Audience> {
+      void provide(Builder<A> builderProvider);
+    }
+  }
+
+}

api/src/main/java/io/github/miniplaceholders/api/placeholder/GlobalPlaceholder.java

@@ -0,0 +1,50 @@
+package io.github.miniplaceholders.api.placeholder;
+
+import io.github.miniplaceholders.api.resolver.GlobalTagResolver;
+import net.kyori.adventure.text.minimessage.Context;
+import net.kyori.adventure.text.minimessage.tag.Tag;
+import net.kyori.adventure.text.minimessage.tag.TagPattern;
+import net.kyori.adventure.text.minimessage.tag.resolver.ArgumentQueue;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Objects;
+
+/**
+ * A placeholder that can obtain data without the need to provide an {@link net.kyori.adventure.audience.Audience}
+ * or {@link io.github.miniplaceholders.api.types.RelationalAudience}.
+ *
+ * @param key the placeholder key
+ * @param name the placeholder name
+ * @param resolver the object responsible for providing information
+ */
+public record GlobalPlaceholder(@TagPattern String key, String name, GlobalTagResolver resolver) implements Placeholder {
+  @Override
+  public @Nullable Tag resolve(@NotNull String name, @NotNull ArgumentQueue arguments, @NotNull Context ctx) {
+    return this.has(name) ? resolver.tag(arguments, ctx) : null;
+  }
+
+  @Override
+  public boolean has(@NotNull String name) {
+    return key.equalsIgnoreCase(name);
+  }
+
+  @Override
+  public boolean equals(Object obj) {
+    if (this == obj) {
+      return true;
+    }
+    if (obj instanceof GlobalPlaceholder(var oKey, var __, var ___)) {
+      return Objects.equals(oKey, this.key);
+    }
+    return false;
+  }
+
+  @Override
+  public String toString() {
+    return "GlobalPlaceholder{" +
+            "key='" + key + '\'' +
+            "name=" + name + '\'' +
+            '}';
+  }
+}

api/src/main/java/io/github/miniplaceholders/api/placeholder/Placeholder.java

@@ -0,0 +1,28 @@
+package io.github.miniplaceholders.api.placeholder;
+
+import net.kyori.adventure.text.minimessage.tag.resolver.TagResolver;
+import org.jspecify.annotations.NullMarked;
+
+/**
+ * Base class of all Placeholders
+ */
+@NullMarked
+public sealed interface Placeholder extends TagResolver permits AudiencePlaceholder, GlobalPlaceholder, RelationalPlaceholder {
+  /**
+   * The key of this placeholder.<br>
+   * For example, the placeholder <pre>{@code <expansion_placeholder}</pre>
+   * will have the key <code>expansion_placeholder</code>
+   *
+   * @return this placeholder's key
+   */
+  String key();
+
+  /**
+   * The key of this placeholder.<br>
+   * For example, the placeholder <pre>{@code <expansion_placeholder}</pre>
+   * will have the key <code>placeholder</code>
+   *
+   * @return this placeholder's name
+   */
+  String name();
+}

api/src/main/java/io/github/miniplaceholders/api/placeholder/PlaceholderMetadata.java

@@ -0,0 +1,17 @@
+package io.github.miniplaceholders.api.placeholder;
+
+import org.jspecify.annotations.NullMarked;
+
+import static java.util.Objects.requireNonNull;
+
+@NullMarked
+public record PlaceholderMetadata(String displayName, String description) {
+  public PlaceholderMetadata {
+    requireNonNull(displayName);
+    requireNonNull(description);
+  }
+
+  public static PlaceholderMetadata data(final String displayName, final String description) {
+    return new PlaceholderMetadata(displayName, description);
+  }
+}

api/src/main/java/io/github/miniplaceholders/api/placeholder/PlaceholderTagResolver.java

@@ -0,0 +1,39 @@
+package io.github.miniplaceholders.api.placeholder;
+
+import net.kyori.adventure.text.minimessage.Context;
+import net.kyori.adventure.text.minimessage.ParsingException;
+import net.kyori.adventure.text.minimessage.tag.Tag;
+import net.kyori.adventure.text.minimessage.tag.resolver.ArgumentQueue;
+import net.kyori.adventure.text.minimessage.tag.resolver.TagResolver;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+/**
+ * A TagResolver responsible for containing and processing multiple placeholders.
+ * @param placeholders the placeholders to process
+ */
+public record PlaceholderTagResolver(Placeholder... placeholders) implements TagResolver {
+  public static final PlaceholderTagResolver EMPTY = new PlaceholderTagResolver();
+
+  @Override
+  public @Nullable Tag resolve(@NotNull String name, @NotNull ArgumentQueue arguments, @NotNull Context ctx) throws ParsingException {
+    @Nullable Tag tag;
+    for (final Placeholder placeholder : placeholders) {
+      tag = placeholder.resolve(name, arguments, ctx);
+      if (tag != null) {
+        return tag;
+      }
+    }
+    return null;
+  }
+
+  @Override
+  public boolean has(final @NotNull String name) {
+    for (final Placeholder placeholder : placeholders) {
+      if (placeholder.has(name)) {
+        return true;
+      }
+    }
+    return false;
+  }
+}

api/src/main/java/io/github/miniplaceholders/api/placeholder/RelationalPlaceholder.java

@@ -1,29 +1,218 @@
 package io.github.miniplaceholders.api.placeholder;
 
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
+import io.github.miniplaceholders.api.resolver.RelationalTagResolver;
+import io.github.miniplaceholders.api.types.RelationalAudience;
 import net.kyori.adventure.audience.Audience;
+import net.kyori.adventure.audience.ForwardingAudience;
+import net.kyori.adventure.pointer.Pointered;
 import net.kyori.adventure.text.minimessage.Context;
 import net.kyori.adventure.text.minimessage.tag.Tag;
+import net.kyori.adventure.text.minimessage.tag.TagPattern;
 import net.kyori.adventure.text.minimessage.tag.resolver.ArgumentQueue;
+import org.intellij.lang.annotations.Subst;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jspecify.annotations.NonNull;
+import org.jspecify.annotations.NullMarked;
+import org.jspecify.annotations.NullUnmarked;
 
-/**Relational Placeholder based on two Audiences*/
-@FunctionalInterface
-public interface RelationalPlaceholder {
-    /**
-     * A Tag based on two audiences
-     * @param audience the principal audience
-     * @param otherAudience the another audience
-     * @param queue the argument queue
-     * @param ctx the context
-     * @return a tag
-     * @since 1.0.0
-     */
-    @Nullable Tag tag(
-        @NotNull final Audience audience,
-        @NotNull final Audience otherAudience,
-        @NotNull final ArgumentQueue queue,
-        @NotNull final Context ctx
-    );
-}
+import java.util.Objects;
+import java.util.function.Predicate;
+
+import static java.util.Objects.requireNonNull;
+
+/**
+ * Relational Placeholder.
+ * <br>
+ * This placeholder is able to obtain data based on a relationship between 2 audiences
+ * using a type-safe filter and a relational resolver.
+ *
+ * @param targetClass the target class, can be null
+ * @param key         the key of the entire placeholder
+ * @param name        the name of this placeholder
+ * @param resolver    the relational resolver,
+ *                    in charge of obtaining data based on a relationship of 2 audiences
+ * @param <A>         the audience type, if not specified, will be a generic {@linkplain Audience}
+ * @apiNote The {@link #key()} method returns the full name of the placeholder,
+ * for example, if the placeholder is {@code <server_name>},
+ * the {@linkplain #key()} method will return {@code server_name}.
+ * @see RelationalTagResolver
+ */
+@NullMarked
+public record RelationalPlaceholder<A extends Audience>(
+    @Nullable Class<A> targetClass,
+    @Nullable Predicate<A> targetFilter,
+    @TagPattern String key,
+    @TagPattern String name,
+    RelationalTagResolver<A> resolver,
+    @Nullable PlaceholderMetadata placeholderMetadata
+) implements Placeholder {
+
+  public RelationalPlaceholder(
+      @Nullable Class<A> targetClass,
+      @TagPattern String key,
+      @TagPattern String name,
+      RelationalTagResolver<A> resolver
+  ) {
+    this(targetClass, null, key, name, resolver, null);
+  }
+
+  /**
+   * Static method capable of creating an instance of a relational placeholder.
+   *
+   * @param targetClass the target class, can be null
+   * @param key         the key of the entire placeholder
+   * @param name        the name of this placeholder
+   * @param resolver    the relational resolver,
+   *                    in charge of obtaining data based on a relationship of 2 audiences
+   * @param <A>         the audience type, if not specified, will be a generic {@linkplain Audience}
+   * @return a new RelationalPlaceholder
+   * @since 3.0.0
+   */
+  public static <A extends Audience> RelationalPlaceholder<A> relational(
+      @Nullable Class<A> targetClass,
+      @TagPattern String key,
+      @TagPattern String name,
+      RelationalTagResolver<A> resolver
+  ) {
+    return new RelationalPlaceholder<>(targetClass, requireNonNull(key), name, requireNonNull(resolver));
+  }
+
+  public static <A extends Audience> Builder<A> builder(Class<A> targetClazz) {
+    return new Builder<>(targetClazz);
+  }
+
+  public static Builder<Audience> builder() {
+    return new Builder<>(Audience.class);
+  }
+
+  @Override
+  public @Nullable Tag resolve(String name, ArgumentQueue arguments, Context ctx) {
+    final Pointered targetRaw = ctx.target();
+    if (targetRaw == null) {
+      return null;
+    }
+    if (!(targetRaw instanceof RelationalAudience<?>(Audience a, Audience b))) {
+      return null;
+    }
+    if (targetClass == null) {
+      //noinspection unchecked
+      return this.resolveA(name, (A) a, (A) b, arguments, ctx);
+    }
+    final @Nullable A audience = forwardingFilter(a);
+    if (audience == null) {
+      return null;
+    }
+    final @Nullable A relationalAudience = forwardingFilter(b);
+    if (relationalAudience == null) {
+      return null;
+    }
+    if (targetFilter != null && (!targetFilter.test(audience) || !targetFilter.test(relationalAudience))) {
+      return null;
+    }
+    return this.resolveA(name, audience, relationalAudience, arguments, ctx);
+  }
+
+  private @Nullable Tag resolveA(
+      String name,
+      A audience,
+      A relationalAudience,
+      ArgumentQueue arguments,
+      Context ctx
+  ) {
+    return this.has(name)
+        ? resolver.tag(audience, relationalAudience, arguments, ctx)
+        : null;
+  }
+
+  @SuppressWarnings("OverrideOnly")
+  private @Nullable A forwardingFilter(final Pointered source) {
+    //noinspection DataFlowIssue
+    if (targetClass.isInstance(source)) {
+      return targetClass.cast(source);
+    }
+    if (source instanceof final ForwardingAudience.Single forward) {
+      return forwardingFilter(forward.audience());
+    }
+    return null;
+  }
+
+  @Override
+  public boolean has(String name) {
+    return key.equalsIgnoreCase(name);
+  }
+
+  @Override
+  public boolean equals(final Object o) {
+    if (o == this) return true;
+    if (!(o instanceof final RelationalPlaceholder<?> that)) return false;
+    return that.key.equalsIgnoreCase(this.key);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(key);
+  }
+
+  @Override
+  public String toString() {
+    return "RelationalPlaceholder{" +
+        "key='" + key + '\'' +
+        '}';
+  }
+
+  @NullUnmarked
+  public static final class Builder<A extends Audience> {
+    @NotNull
+    private final Class<A> targetClass;
+    @TagPattern
+    private String name;
+    @Nullable
+    private Predicate<A> targetFilter;
+    private RelationalTagResolver<@NotNull A> resolver;
+    @Nullable
+    private PlaceholderMetadata metadata;
+
+    Builder(final @NotNull Class<A> targetClass) {
+      this.targetClass = targetClass;
+    }
+
+    public Builder<A> name(final @NonNull @TagPattern String name) {
+      this.name = requireNonNull(name, "placeholder name");
+      return this;
+    }
+
+    public Builder<A> targetFilter(final Predicate<A> targetFilter) {
+      this.targetFilter = targetFilter;
+      return this;
+    }
+
+    public Builder<A> resolver(final @NotNull RelationalTagResolver<@NotNull A> resolver) {
+      this.resolver = requireNonNull(resolver);
+      return this;
+    }
+
+    public Builder<A> metadata(final PlaceholderMetadata metadata) {
+      this.metadata = metadata;
+      return this;
+    }
+
+    public @NonNull RelationalPlaceholder<@NonNull A> build(final @NotNull @Subst("expansion") String expansionPrefix) {
+      requireNonNull(this.name, "name");
+      requireNonNull(this.resolver, "resolver");
+      return new RelationalPlaceholder<>(
+          targetClass,
+          targetFilter,
+          expansionPrefix + name,
+          name,
+          resolver,
+          metadata
+      );
+    }
+
+    @FunctionalInterface
+    public interface Provider<A extends Audience> {
+      void provide(final Builder<A> builderProvider);
+    }
+  }
+}

api/src/main/java/io/github/miniplaceholders/api/placeholder/package-info.java

@@ -1,4 +1,6 @@
 /**
- * Placeholders available based on information obtained from Audiences
+ * Placeholders Package.
+ *
+ * @since 3.0.0
  */
-package io.github.miniplaceholders.api.placeholder;
+package io.github.miniplaceholders.api.placeholder;

api/src/main/java/io/github/miniplaceholders/api/provider/ExpansionProvider.java

@@ -0,0 +1,27 @@
+package io.github.miniplaceholders.api.provider;
+
+import io.github.miniplaceholders.api.Expansion;
+
+/**
+ * An expansion provider.
+ *
+ * @apiNote If necessary, you can obtain platform-dependent instances
+ *          by adding a non-final field of the {@link PlatformData} class
+ *          with the {@link team.unnamed.inject.Inject} annotation to your ExpansionProvider class.
+ */
+public interface ExpansionProvider {
+    /**
+     * Provides an expansion.
+     *
+     * @return an expansion
+     * @apiNote If used outside its MiniPlaceholders dynamic expansion loading context,
+     *          you should always check that the loading requirements specified in {@link #loadRequirement} are met.
+     */
+    Expansion provideExpansion();
+
+    /**
+     * Obtain the requirements that must be met for this expansion to load successfully.
+     * @return the load requirements of this expansion provider
+     */
+    LoadRequirement loadRequirement();
+}

api/src/main/java/io/github/miniplaceholders/api/provider/LoadRequirement.java

@@ -0,0 +1,216 @@
+package io.github.miniplaceholders.api.provider;
+
+import io.github.miniplaceholders.api.types.Platform;
+import org.intellij.lang.annotations.Pattern;
+import org.jetbrains.annotations.ApiStatus;
+import org.jspecify.annotations.NullMarked;
+
+import java.util.function.Predicate;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import static java.util.Objects.requireNonNull;
+
+/**
+ * This class specifies the conditions that must be met
+ * in order to load an {@link io.github.miniplaceholders.api.Expansion} from an {@link ExpansionProvider}.
+ *
+ * @since 3.0.0
+ */
+@NullMarked
+public sealed interface LoadRequirement {
+
+  /**
+   * It means that there is no requirement to load an expansion.
+   *
+   * @return a LoadRequirement that does not perform any validation
+   * @since 3.0.0
+   */
+  static LoadRequirement none() {
+    return NoneLoadRequirement.INSTANCE;
+  }
+
+  /**
+   * Requirement for a complement, whether a plugin or mod, to be present in order for an expansion to be loaded.<br>
+   * The ability to provide multiple strings is provided because names may vary on some platforms.
+   * For example, Velocity requires plugin IDs to be lowercase, such as {@code miniplaceholders},
+   * while Paper can contain uppercase letters, such as {@code MiniPlaceholders}.
+   *
+   * @param name    the principal name of this complement
+   * @param aliases the platform aliases of a complement
+   * @return a load requirement that checks for an available complement
+   * @since 3.0.0
+   */
+  static LoadRequirement requiredComplement(final String name, final String... aliases) {
+    requireNonNull(name);
+    requireNonNull(aliases);
+    return new AvailableComplementRequirement(name, aliases);
+  }
+
+  /**
+   * Multiple requirement, in case an expansion needs to depend on a platform
+   * as well as one or more add-ons that are installed.
+   *
+   * @param requirements the load requirements
+   * @return a load requirement of many load requirements
+   * @since 3.0.0
+   */
+  static LoadRequirement allOf(LoadRequirement... requirements) {
+    requireNonNull(requirements);
+    assert requirements.length != 0;
+    return new MultiLoadRequirement(requirements);
+  }
+
+  /**
+   * Requirement that the current execution be on a specific platform.
+   *
+   * @param platforms the supported platforms
+   * @return a load requirement that checks for a supported platform
+   * @since 3.0.0
+   */
+  static LoadRequirement platform(final Platform... platforms) {
+    requireNonNull(platforms);
+    assert platforms.length != 0;
+
+    return new PlatformRequirement(platforms);
+  }
+
+  /**
+   * Requirement that a specific class be present.
+   *
+   * @param clazz the specified class.
+   * @return a load requirement that checks for a present class
+   * @since 3.1.0
+   */
+  static LoadRequirement requiredClass(
+      @Pattern("^([a-z_][a-z0-9_]*)(\\.[a-z_][a-z0-9_]*)*(\\.[A-Z][A-Za-z0-9_]*)$") final String clazz
+  ) {
+    requireNonNull(clazz);
+    return new ClassRequirement(clazz);
+  }
+
+  /**
+   * This requirement checks whether any of the conditions presented are satisfied.
+   *
+   * @param requirements the requerimients
+   * @return a requirement that checks whether a condition is valid
+   * @since 3.1.0
+   */
+  static LoadRequirement anyOf(LoadRequirement... requirements) {
+    requireNonNull(requirements);
+    assert requirements.length != 0;
+    return new AnyOfRequirement(requirements);
+  }
+
+  /**
+   * NoneLoadRequirement
+   *
+   * @since 3.0.0
+   */
+  @ApiStatus.Internal
+  enum NoneLoadRequirement implements LoadRequirement {
+    /**
+     * NoneLoadRequirement instance
+     */
+    INSTANCE
+  }
+
+  /**
+   * AvailableComplementRequirement
+   *
+   * @param name            the main complement name
+   * @param platformAliases the complement aliases
+   * @since 3.0.0
+   */
+  @ApiStatus.Internal
+  @NullMarked
+  record AvailableComplementRequirement(String name, String... platformAliases) implements LoadRequirement {
+
+    /**
+     * Checks if a complement is loaded
+     *
+     * @param platformComplementTester the checker predicate
+     * @return is this expansion should load
+     * @since 3.0.0
+     */
+    public boolean shouldLoad(final Predicate<String> platformComplementTester) {
+      if (platformComplementTester.test(name)) {
+        return true;
+      }
+      for (String alias : platformAliases) {
+        if (platformComplementTester.test(alias)) {
+          return true;
+        }
+      }
+      return false;
+    }
+
+    @Override
+    public String toString() {
+      return "AvailableComplementRequirement{" +
+          "complement='" + name + '\'' +
+          '}';
+    }
+  }
+
+  /**
+   * MultiLoadRequirement
+   *
+   * @param requirements the load requirements
+   * @since 3.0.0
+   */
+  @ApiStatus.Internal
+  @NullMarked
+  record MultiLoadRequirement(LoadRequirement... requirements) implements LoadRequirement {
+  }
+
+  /**
+   * PlatformLoadRequirement
+   *
+   * @param platforms the platforms supported
+   * @since 3.0.0
+   */
+  @ApiStatus.Internal
+  @NullMarked
+  record PlatformRequirement(Platform... platforms) implements LoadRequirement {
+    @Override
+    public String toString() {
+      final String platforms = Stream.of(this.platforms)
+          .map(Platform::name)
+          .collect(Collectors.joining(", "));
+      return "PlatformRequirement{" +
+          "platforms=" + platforms +
+          '}';
+    }
+  }
+
+  /**
+   * ClassRequirement
+   *
+   * @param clazz a specified class
+   * @since 3.1.0
+   */
+  @NullMarked
+  @ApiStatus.Internal
+  record ClassRequirement(String clazz) implements LoadRequirement {
+    public boolean shouldLoad() {
+      try {
+        Class.forName(clazz);
+        return true;
+      } catch (ClassNotFoundException e) {
+        return false;
+      }
+    }
+  }
+
+  /**
+   * AnyOfLoadRequirement
+   *
+   * @param requirements the requirements
+   * @since 3.1.0
+   */
+  @ApiStatus.Internal
+  @NullMarked
+  record AnyOfRequirement(LoadRequirement... requirements) implements LoadRequirement {
+  }
+}

api/src/main/java/io/github/miniplaceholders/api/provider/PlatformData.java

@@ -0,0 +1,21 @@
+package io.github.miniplaceholders.api.provider;
+
+import io.github.miniplaceholders.api.MiniPlaceholders;
+
+/**
+ * Wrapper for platform-dependent instances.
+ *
+ * @param serverInstance The server instance.<br>
+ *                       In Paper it will be {@code org.bukkit.Server},<br>
+ *                       in Velocity it will be {@code com.velocitypowered.api.proxy.ProxyServer},<br>
+ *                       in Sponge it will be {@code org.spongepowered.api.Server},<br>
+ *                       and in Fabric it will be {@code net.minecraft.server.MinecraftServer}.
+ * @param complementInstance The main class of MiniPlaceholders, either as a plugin or mod.<br>
+ *                       In Paper it will be {@code org.bukkit.plugin.java.JavaPlugin},<br>
+ *                       in Velocity it will be {@code io.github.miniplaceholders.velocity.VelocityPlugin},<br>
+ *                       in Sponge it will be {@code io.github.miniplaceholders.sponge.SpongePlugin},<br>
+ *                       and in Fabric it will be {@code net.fabricmc.api.ModInitializer}.
+ * @see MiniPlaceholders#platform()
+ */
+public record PlatformData(Object serverInstance, Object complementInstance) {
+}

api/src/main/java/io/github/miniplaceholders/api/resolver/AudienceTagResolver.java

@@ -0,0 +1,29 @@
+package io.github.miniplaceholders.api.resolver;
+
+import org.jetbrains.annotations.Nullable;
+
+import net.kyori.adventure.audience.Audience;
+import net.kyori.adventure.text.minimessage.Context;
+import net.kyori.adventure.text.minimessage.tag.Tag;
+import net.kyori.adventure.text.minimessage.tag.resolver.ArgumentQueue;
+import org.jspecify.annotations.NullMarked;
+
+/**
+ * Audience Placeholder based on an Audience
+ *
+ * @param <A> the audience type
+ */
+@FunctionalInterface
+@NullMarked
+public interface AudienceTagResolver<A extends Audience> {
+    /**
+     * A Tag based on an Audience
+     * @param audience the audience
+     * @param queue the argument queue
+     * @param ctx the context
+     * @return a Tag
+     * @since 3.0.0
+     */
+    @Nullable
+    Tag tag(final A audience, final ArgumentQueue queue, final Context ctx);
+}

api/src/main/java/io/github/miniplaceholders/api/resolver/GlobalTagResolver.java

@@ -0,0 +1,24 @@
+package io.github.miniplaceholders.api.resolver;
+
+import net.kyori.adventure.text.minimessage.Context;
+import net.kyori.adventure.text.minimessage.tag.Tag;
+import net.kyori.adventure.text.minimessage.tag.resolver.ArgumentQueue;
+import org.jspecify.annotations.NonNull;
+import org.jspecify.annotations.Nullable;
+
+/**
+ * A GlobalResolver is responsible for providing information regardless of additional conditions such as an audience.
+ */
+@FunctionalInterface
+public interface GlobalTagResolver {
+  /**
+   * A global tag.
+   *
+   * @param queue the argument queue
+   * @param context the parsing context
+   * @return a tag
+   * @since 3.0.0
+   */
+  @Nullable
+  Tag tag(@NonNull ArgumentQueue queue, @NonNull Context context);
+}

api/src/main/java/io/github/miniplaceholders/api/resolver/RelationalTagResolver.java

@@ -0,0 +1,32 @@
+package io.github.miniplaceholders.api.resolver;
+
+import net.kyori.adventure.audience.Audience;
+import net.kyori.adventure.text.minimessage.Context;
+import net.kyori.adventure.text.minimessage.tag.Tag;
+import net.kyori.adventure.text.minimessage.tag.resolver.ArgumentQueue;
+import org.jetbrains.annotations.Nullable;
+import org.jspecify.annotations.NullMarked;
+
+/**
+ * Relational Placeholder based on two Audiences.
+ *
+ * @param <A> the audiences type
+ *
+ * @since 3.0.0
+ */
+@FunctionalInterface
+@NullMarked
+public interface RelationalTagResolver<A extends Audience> {
+  /**
+   * A Tag based on two audiences
+   *
+   * @param audience   the principal audience
+   * @param relational the another audience
+   * @param queue      the argument queue
+   * @param ctx        the context
+   * @return a tag
+   * @since 3.0.0
+   */
+  @Nullable
+  Tag tag(final A audience, final A relational, final ArgumentQueue queue, final Context ctx);
+}

api/src/main/java/io/github/miniplaceholders/api/resolver/package-info.java

@@ -0,0 +1,4 @@
+/**
+ * Resolvers available based on information obtained from Audiences
+ */
+package io.github.miniplaceholders.api.resolver;

api/src/main/java/io/github/miniplaceholders/api/types/PlaceholderType.java

@@ -0,0 +1,27 @@
+package io.github.miniplaceholders.api.types;
+
+/**
+ * Type of Placeholder.
+ *
+ * @since 3.0.0
+ */
+public enum PlaceholderType {
+  /**
+   * The global placeholder type.
+   * <br>
+   * It does not require any type of audience to operate.
+   */
+  GLOBAL,
+  /**
+   * The audience placeholder type.
+   * <br>
+   * Obtains information from a provided audience.
+   */
+  AUDIENCE,
+  /**
+   * The relational placeholder type.
+   * <br>
+   * Requires 2 audiences to work, these audiences need to be of the same type.
+   */
+  RELATIONAL
+}

api/src/main/java/io/github/miniplaceholders/api/types/Platform.java

@@ -0,0 +1,33 @@
+package io.github.miniplaceholders.api.types;
+
+/**
+ * Platforms on which MiniPlaceholders can be used.
+ *
+ * @since 1.0.0
+ */
+public enum Platform {
+  /**
+   * Paper Platform
+   *
+   * @since 1.0.0
+   */
+  PAPER,
+  /**
+   * Velocity Platform
+   *
+   * @since 1.0.0
+   */
+  VELOCITY,
+  /**
+   * Fabric Platform
+   *
+   * @since 2.1.0
+   */
+  FABRIC,
+  /**
+   * Sponge Platform
+   *
+   * @since 2.2.0
+   */
+  SPONGE
+}

api/src/main/java/io/github/miniplaceholders/api/types/RelationalAudience.java

@@ -0,0 +1,35 @@
+package io.github.miniplaceholders.api.types;
+
+import net.kyori.adventure.audience.Audience;
+import net.kyori.adventure.audience.ForwardingAudience;
+import org.jspecify.annotations.NullMarked;
+
+import static java.util.Objects.requireNonNull;
+
+/**
+ * A relationship between 2 Audiences.
+ *
+ * @param audience   the principal audience
+ * @param relational the secondary audience, with which the relationship will be evaluated
+ * @param <A>        the audiences type
+ * @since 3.0.0
+ */
+@NullMarked
+public record RelationalAudience<A extends Audience>(A audience, A relational) implements ForwardingAudience.Single {
+    public RelationalAudience {
+        requireNonNull(audience);
+        requireNonNull(relational);
+    }
+    /**
+     * Creates a new relation between two audiences.
+     *
+     * @param audience   the principal audience
+     * @param relational the secondary audience, with which the relationship will be evaluated
+     * @param <A>        the audiences type
+     * @return a new relation
+     * @since 3.0.0
+     */
+    public static <A extends Audience> RelationalAudience<A> from(A audience, A relational) {
+        return new RelationalAudience<>(audience, relational);
+    }
+}

api/src/main/java/io/github/miniplaceholders/api/types/package-info.java

@@ -0,0 +1,2 @@
+/**Plugin enums */
+package io.github.miniplaceholders.api.types;

api/src/main/java/io/github/miniplaceholders/api/utils/Components.java

@@ -8,23 +8,27 @@ import net.kyori.adventure.text.format.NamedTextColor;
 public final class Components {
     private Components(){}
     /**
-     * "True" Component
+     * "True" Component.
+     *
      * @since 1.1.0
      */
     public static final TextComponent TRUE_COMPONENT = Component.text("true", NamedTextColor.GREEN);
     /**
-     * False Component
+     * "False" Component.
+     *
      * @since 1.1.0
      */
     public static final TextComponent FALSE_COMPONENT = Component.text("false", NamedTextColor.RED);
 
     /**
-     * "Yes" Component
+     * "Yes" Component.
+     *
      * @since 1.1.0
      */
     public static final TextComponent YES_COMPONENT = Component.text("yes", NamedTextColor.GREEN);
     /**
-     * "No" Component
+     * "No" Component.
+     *
      * @since 1.1.0
      */
     public static final TextComponent NO_COMPONENT = Component.text("no", NamedTextColor.RED);

api/src/main/java/io/github/miniplaceholders/api/utils/Conditions.java

@@ -5,70 +5,75 @@ import org.jetbrains.annotations.Nullable;
 
 import java.util.function.Supplier;
 
-/** Checks required for the correct operation of the expansions*/
+/**
+ * Checks required for the correct operation of the expansions
+ *
+ * @since 1.0.0
+ */
 public final class Conditions {
-    private Conditions() {}
+  private Conditions() {
+  }
 
-    /**
-     * Checks if a string is null or empty or consists of whitespace characters only.
-     *
-     * @param string the string
-     * @param name the name supplier
-     * @return the string if it is not null or empty
-     * @since 1.0.0
-     * @throws IllegalStateException if the provided string is empty
-     */
-    public static String nonNullOrEmptyString(@Nullable String string, @NotNull Supplier<@NotNull String> name){
-        if (string == null)
-            throw new NullPointerException(name.get() + " cannot be null");
-        if (string.isBlank())
-            throw new IllegalStateException(name.get() + "cannot be an empty string");
-        return string;
-    }
+  /**
+   * Checks if a string is null or empty or consists of whitespace characters only.
+   *
+   * @param string the string
+   * @param name   the name supplier
+   * @return the string if it is not null or empty
+   * @throws IllegalStateException if the provided string is empty
+   * @since 1.0.0
+   */
+  public static String nonNullOrEmptyString(@Nullable String string, @NotNull Supplier<@NotNull String> name) {
+    if (string == null)
+      throw new NullPointerException(name.get() + " cannot be null");
+    if (string.isBlank())
+      throw new IllegalStateException(name.get() + "cannot be an empty string");
+    return string;
+  }
 
-    /**
-     * Checks if a string is null or empty or consists of whitespace characters only.
-     *
-     * @param string the string
-     * @param name the name
-     * @return the string if it is not null or empty
-     * @since 2.2.0
-     * @throws IllegalStateException if the provided string is empty
-     */
-    public static String nonNullOrEmptyString(@Nullable String string, @NotNull String name){
-        if (string == null)
-            throw new NullPointerException(name + " cannot be null");
-        if (string.isBlank())
-            throw new IllegalStateException(name + "cannot be an empty string");
-        return string;
-    }
+  /**
+   * Checks if a string is null or empty or consists of whitespace characters only.
+   *
+   * @param string the string
+   * @param name   the name
+   * @return the string if it is not null or empty
+   * @throws IllegalStateException if the provided string is empty
+   * @since 2.2.0
+   */
+  public static String nonNullOrEmptyString(@Nullable String string, @NotNull String name) {
+    if (string == null)
+      throw new NullPointerException(name + " cannot be null");
+    if (string.isBlank())
+      throw new IllegalStateException(name + "cannot be an empty string");
+    return string;
+  }
 
-    /**
-     * Check if a string is empty or consists of whitespace characters only.
-     *
-     * @param string the string
-     * @param reason the reason supplier
-     * @return the string if it not empty
-     * @since 1.0.0
-     * @throws IllegalStateException if the provided string is empty
-     */
-    public static String nonEmptyString(@NotNull String string, @NotNull Supplier<@NotNull String> reason){
-        if (string.isBlank()) throw new IllegalStateException(reason.get());
-        return string;
-    }
+  /**
+   * Check if a string is empty or consists of whitespace characters only.
+   *
+   * @param string the string
+   * @param reason the reason supplier
+   * @return the string if it not empty
+   * @throws IllegalStateException if the provided string is empty
+   * @since 1.0.0
+   */
+  public static String nonEmptyString(@NotNull String string, @NotNull Supplier<@NotNull String> reason) {
+    if (string.isBlank()) throw new IllegalStateException(reason.get());
+    return string;
+  }
+
+  /**
+   * Check if a string is empty or consists of whitespace characters only.
+   *
+   * @param string the string
+   * @param reason the reason
+   * @return the string if it not empty
+   * @throws IllegalStateException if the provided string is empty
+   * @since 2.2.0
+   */
+  public static String nonEmptyString(@NotNull String string, @NotNull String reason) {
+    if (string.isBlank()) throw new IllegalStateException(reason);
+    return string;
+  }
 
-    /**
-     * Check if a string is empty or consists of whitespace characters only.
-     *
-     * @param string the string
-     * @param reason the reason
-     * @return the string if it not empty
-     * @since 2.2.0
-     * @throws IllegalStateException if the provided string is empty
-     */
-    public static String nonEmptyString(@NotNull String string, @NotNull String reason){
-        if (string.isBlank()) throw new IllegalStateException(reason);
-        return string;
-    }
-    
 }

api/src/main/java/io/github/miniplaceholders/api/utils/LegacyStrings.java

@@ -0,0 +1,164 @@
+package io.github.miniplaceholders.api.utils;
+
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.minimessage.Context;
+import net.kyori.adventure.text.minimessage.tag.resolver.TagResolver;
+import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
+import org.jetbrains.annotations.Nullable;
+import org.jspecify.annotations.NullMarked;
+
+import java.util.function.Function;
+
+import static java.util.Objects.requireNonNull;
+import static net.kyori.adventure.text.minimessage.MiniMessage.miniMessage;
+
+/**
+ * Legacy String utilities.
+ *
+ * @since 3.0.0
+ */
+@NullMarked
+public final class LegacyStrings {
+  private LegacyStrings() {
+  }
+
+  /**
+   * Legacy serializer with hex support
+   * <p>Use this as the last available alternative,
+   * it is recommended to use MiniMessage instead of this serializer</p>
+   */
+  public static final LegacyComponentSerializer LEGACY_HEX_SERIALIZER = LegacyComponentSerializer.builder()
+          .character('&')
+          .hexColors()
+          .build();
+
+  /**
+   * Parse a string with possible legacy Ampersand/Section symbols
+   * <br>
+   * <p><b>
+   * This method should only be used in case a String is provided from a legacy plugin/mod
+   * or legacy source, where it is very likely to get a legacy string.
+   * It is not recommended to use this method regularly in any sense
+   * </b></p>
+   *
+   * @param string the string
+   * @return a parsed string
+   * @since 1.0.0
+   */
+  public static Component parsePossibleLegacy(@Nullable String string) {
+    if (string == null || string.isEmpty()) return Component.empty();
+    if (string.indexOf(LegacyComponentSerializer.SECTION_CHAR) != -1) {
+      string = string.replace(LegacyComponentSerializer.SECTION_CHAR, LegacyComponentSerializer.AMPERSAND_CHAR);
+    }
+    if (string.indexOf(LegacyComponentSerializer.AMPERSAND_CHAR) == -1) {
+      return miniMessage().deserialize(string);
+    }
+    return miniMessage().deserialize(
+            miniMessage().serialize(LEGACY_HEX_SERIALIZER.deserialize(string))
+                    .replace("\\<", "<")
+                    .replace("\\>", ">")
+    );
+  }
+
+  /**
+   * Parse a string with possible legacy Ampersand/Section symbols
+   * using a parsing Context
+   * <p><b>
+   * This method should only be used in case a String is provided from a legacy plugin/mod
+   * or legacy source, where it is very likely to get a legacy string.
+   * It is not recommended to use this method regularly in any sense
+   * </b></p>
+   *
+   * @param string  the string
+   * @param context the provided parsing context
+   * @return a parsed string
+   * @since 2.2.1
+   */
+  public static Component parsePossibleLegacy(@Nullable String string, final Context context) {
+    if (string == null || string.isEmpty()) return Component.empty();
+    if (string.indexOf(LegacyComponentSerializer.SECTION_CHAR) != -1) {
+      string = string.replace(LegacyComponentSerializer.SECTION_CHAR, LegacyComponentSerializer.AMPERSAND_CHAR);
+    }
+    if (string.indexOf(LegacyComponentSerializer.AMPERSAND_CHAR) == -1) {
+      return context.deserialize(string);
+    }
+    return context.deserialize(
+            miniMessage().serialize(LEGACY_HEX_SERIALIZER.deserialize(string))
+                    .replace("\\<", "<")
+                    .replace("\\>", ">")
+    );
+  }
+
+  /**
+   * Parse a string with possible legacy Ampersand/Section symbols
+   * using the provided resolver
+   * <p><b>
+   * This method should only be used in case a String is provided from a legacy plugin/mod
+   * or legacy source, where it is very likely to get a legacy string.
+   * It is not recommended to use this method regularly in any sense
+   * </b></p>
+   *
+   * @param string   the string
+   * @param resolver a resolver
+   * @return a parsed string
+   * @since 2.2.1
+   */
+  public static Component parsePossibleLegacy(@Nullable String string, final TagResolver resolver) {
+    if (string == null || string.isEmpty()) return Component.empty();
+    if (string.indexOf(LegacyComponentSerializer.SECTION_CHAR) != -1) {
+      string = string.replace(LegacyComponentSerializer.SECTION_CHAR, LegacyComponentSerializer.AMPERSAND_CHAR);
+    }
+    if (string.indexOf(LegacyComponentSerializer.AMPERSAND_CHAR) == -1) {
+      return miniMessage().deserialize(string, resolver);
+    }
+    return miniMessage().deserialize(
+            miniMessage().serialize(LEGACY_HEX_SERIALIZER.deserialize(string))
+                    .replace("\\<", "<")
+                    .replace("\\>", ">"),
+            resolver
+    );
+  }
+
+  /**
+   * Checks if the provided string contains legacy formatting.
+   *
+   * @param string the string input
+   * @return whether the string has legacy content
+   * @see LegacyComponentSerializer#AMPERSAND_CHAR
+   * @see LegacyComponentSerializer#SECTION_CHAR
+   * @since 2.3.0
+   */
+  public static boolean hasLegacyFormat(final String string) {
+    requireNonNull(string, "string");
+    return string.indexOf(LegacyComponentSerializer.SECTION_CHAR) != -1
+            || string.indexOf(LegacyComponentSerializer.AMPERSAND_CHAR) != -1;
+  }
+
+  /**
+   * Maps the input to a type depending on whether it contains legacy formatting or not.
+   *
+   * @param string        the string input
+   * @param legacyMapping the mapping function in case the string contains legacy formatting
+   * @param modernMapping the mapping function in case the string does not contain any legacy character type,
+   *                      being safe to use with MiniMessage
+   * @param <R>           the result type
+   * @return the mapped result
+   * @see LegacyComponentSerializer#AMPERSAND_CHAR
+   * @see LegacyComponentSerializer#SECTION_CHAR
+   * @see #hasLegacyFormat(String)
+   * @since 2.3.0
+   */
+  public static <R> R mapLegacyOrElse(
+          final String string,
+          final Function<String, R> legacyMapping,
+          final Function<String, R> modernMapping
+  ) {
+    requireNonNull(legacyMapping, "legacyMapping");
+    requireNonNull(modernMapping, "modernInput");
+    if (hasLegacyFormat(string)) {
+      return legacyMapping.apply(string);
+    } else {
+      return modernMapping.apply(string);
+    }
+  }
+}

api/src/main/java/io/github/miniplaceholders/api/utils/LegacyUtils.java

@@ -1,115 +0,0 @@
-package io.github.miniplaceholders.api.utils;
-
-import net.kyori.adventure.text.Component;
-import net.kyori.adventure.text.minimessage.Context;
-import net.kyori.adventure.text.minimessage.tag.resolver.TagResolver;
-import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-import static net.kyori.adventure.text.minimessage.MiniMessage.miniMessage;
-
-/**
- * Legacy utils
- */
-public final class LegacyUtils {
-    private LegacyUtils() {
-    }
-
-    /**
-     * Legacy serializer with hex support
-     * <p>Use this as the last available alternative,
-     * it is recommended to use MiniMessage instead of this serializer</p>
-     */
-    public static final LegacyComponentSerializer LEGACY_HEX_SERIALIZER = LegacyComponentSerializer.builder()
-            .character('&')
-            .hexColors()
-            .build();
-
-    /**
-     * Parse a string with possible legacy Ampersand/Section symbols
-     * <br>
-     * <p><b>
-     * This method should only be used in case a String is provided from a legacy plugin/mod
-     * or legacy source, where it is very likely to get a legacy string.
-     * It is not recommended to use this method regularly in any sense
-     * </b></p>
-     *
-     * @param string the string
-     * @return a parsed string
-     * @since 1.0.0
-     */
-    public static @NotNull Component parsePossibleLegacy(@Nullable String string) {
-        if (string == null || string.isEmpty()) return Component.empty();
-        if (string.indexOf(LegacyComponentSerializer.SECTION_CHAR) != -1) {
-            string = string.replace(LegacyComponentSerializer.SECTION_CHAR, LegacyComponentSerializer.AMPERSAND_CHAR);
-        }
-        if (string.indexOf(LegacyComponentSerializer.AMPERSAND_CHAR) == -1) {
-            return miniMessage().deserialize(string);
-        }
-        return miniMessage().deserialize(
-                miniMessage().serialize(LEGACY_HEX_SERIALIZER.deserialize(string))
-                        .replace("\\<", "<")
-                        .replace("\\>", ">")
-        );
-    }
-
-    /**
-     * Parse a string with possible legacy Ampersand/Section symbols
-     * using a parsing Context
-     * <p><b>
-     * This method should only be used in case a String is provided from a legacy plugin/mod
-     * or legacy source, where it is very likely to get a legacy string.
-     * It is not recommended to use this method regularly in any sense
-     * </b></p>
-     *
-     * @param string  the string
-     * @param context the provided parsing context
-     * @return a parsed string
-     * @since 2.2.1
-     */
-    public static @NotNull Component parsePossibleLegacy(@Nullable String string, @NotNull final Context context) {
-        if (string == null || string.isEmpty()) return Component.empty();
-        if (string.indexOf(LegacyComponentSerializer.SECTION_CHAR) != -1) {
-            string = string.replace(LegacyComponentSerializer.SECTION_CHAR, LegacyComponentSerializer.AMPERSAND_CHAR);
-        }
-        if (string.indexOf(LegacyComponentSerializer.AMPERSAND_CHAR) == -1) {
-            return context.deserialize(string);
-        }
-        return context.deserialize(
-                miniMessage().serialize(LEGACY_HEX_SERIALIZER.deserialize(string))
-                        .replace("\\<", "<")
-                        .replace("\\>", ">")
-        );
-    }
-
-    /**
-     * Parse a string with possible legacy Ampersand/Section symbols
-     * using the provided resolver
-     * <p><b>
-     * This method should only be used in case a String is provided from a legacy plugin/mod
-     * or legacy source, where it is very likely to get a legacy string.
-     * It is not recommended to use this method regularly in any sense
-     * </b></p>
-     *
-     * @param string   the string
-     * @param resolver a resolver
-     * @return a parsed string
-     * @since 2.2.1
-     */
-    public static @NotNull Component parsePossibleLegacy(@Nullable String string, @NotNull final TagResolver resolver) {
-        if (string == null || string.isEmpty()) return Component.empty();
-        if (string.indexOf(LegacyComponentSerializer.SECTION_CHAR) != -1) {
-            string = string.replace(LegacyComponentSerializer.SECTION_CHAR, LegacyComponentSerializer.AMPERSAND_CHAR);
-        }
-        if (string.indexOf(LegacyComponentSerializer.AMPERSAND_CHAR) == -1) {
-            return miniMessage().deserialize(string, resolver);
-        }
-        return miniMessage().deserialize(
-                miniMessage().serialize(LEGACY_HEX_SERIALIZER.deserialize(string))
-                        .replace("\\<", "<")
-                        .replace("\\>", ">"),
-                resolver
-        );
-    }
-}

api/src/main/java/io/github/miniplaceholders/api/utils/Resolvers.java

@@ -1,45 +1,49 @@
 package io.github.miniplaceholders.api.utils;
 
-import org.jetbrains.annotations.NotNull;
-
 import net.kyori.adventure.text.minimessage.tag.resolver.TagResolver;
+import org.jspecify.annotations.NullMarked;
 
 /**
- * Class of utilities to manage TagResolvers
+ * Class of utilities to manage TagResolvers.
+ *
  * @since 1.2.0
  */
+@NullMarked
 public final class Resolvers {
     private Resolvers() {}
 
     /**
      * Check if the TagResolver is an instance of TagResolver.empty(),
-     * that is, it will always return null
+     * that is, it will always return null.
+     *
      * @param resolver the resolver to check
      * @return true if the TagResolver is the same as TagResolver.empty(), else false
      * @since 1.2.0
      */
-    public static boolean isEmpty(final @NotNull TagResolver resolver) {
+    public static boolean isEmpty(final TagResolver resolver) {
         return resolver == TagResolver.empty();
     }
 
     /**
-     * Checks if the TagResolver provided is not a TagResolver.empty()
+     * Checks if the TagResolver provided is not a TagResolver.empty().
+     *
      * @param resolver the resolver to check
      * @return false if the TagResolver is the same as TagResolver.empty(), else true
      * @since 1.2.0
      * 
      */
-    public static boolean isNotEmpty(final @NotNull TagResolver resolver) {
+    public static boolean isNotEmpty(final TagResolver resolver) {
         return resolver != TagResolver.empty();
     }
 
     /**
-     * Applies a TagResolver to a TagResolver.Builder in case it is not a TagResolver.empty()
+     * Applies a TagResolver to a TagResolver.Builder in case it is not a TagResolver.empty().
+     *
      * @param resolver the resolver to check
      * @param builder the resolver that can be added to the builder
      * @since 1.2.0
      */
-    public static void applyIfNotEmpty(final @NotNull TagResolver resolver, final @NotNull TagResolver.Builder builder) {
+    public static void applyIfNotEmpty(final TagResolver resolver, final TagResolver.Builder builder) {
         if (isNotEmpty(resolver)) {
             builder.resolver(resolver);
         }

api/src/main/java/io/github/miniplaceholders/api/utils/Tags.java

@@ -0,0 +1,73 @@
+package io.github.miniplaceholders.api.utils;
+
+import io.github.miniplaceholders.api.resolver.AudienceTagResolver;
+import io.github.miniplaceholders.api.resolver.GlobalTagResolver;
+import io.github.miniplaceholders.api.resolver.RelationalTagResolver;
+import net.kyori.adventure.audience.Audience;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.minimessage.tag.Tag;
+import org.jspecify.annotations.NonNull;
+
+/**
+ * Tags basic instances.
+ *
+ * @since 3.0.0
+ */
+public final class Tags {
+    private Tags() {
+    }
+
+    /**
+     * Empty Tag
+     *
+     * @since 3.0.0
+     */
+    public static final Tag EMPTY_TAG = Tag.selfClosingInserting(Component.empty());
+
+    /**
+     * Null Tag
+     *
+     * @since 3.0.0
+     */
+    public static final Tag NULL_TAG = null;
+
+    /**
+     * An Audience placeholder that returns a null Tag
+     *
+     * @param <A> the placeholder supported type
+     * @return an empty audience resolver
+     * @since 3.0.0
+     */
+    public static <A extends Audience> AudienceTagResolver<@NonNull A> emptyAudienceResolver() {
+        return (audience, queue, ctx) -> NULL_TAG;
+    }
+
+    /**
+     * A Relational placeholder that returns a null tag
+     *
+     * @param <A> the audience type supported
+     * @return an empty relational resolver
+     * @since 3.0.0
+     */
+    public static <A extends Audience> RelationalTagResolver<@NonNull A> emptyRelationalResolver() {
+        return (audience, relational, queue, ctx) -> NULL_TAG;
+    }
+
+    /**
+     * A Global placeholder that returns a null tag
+     *
+     * @since 3.0.0
+     */
+    private static final GlobalTagResolver EMPTY_GLOBAL_PLACEHOLDER = (queue, ctx) -> NULL_TAG;
+
+    /**
+     * A Global placeholder that returns a null tag
+     *
+     * @since 3.0.0
+     * @return an empty global placeholder
+     */
+    public static GlobalTagResolver emptyGlobalPlaceholder() {
+        return EMPTY_GLOBAL_PLACEHOLDER;
+    }
+
+}

api/src/main/java/io/github/miniplaceholders/api/utils/TagsUtils.java

@@ -1,60 +0,0 @@
-package io.github.miniplaceholders.api.utils;
-
-import io.github.miniplaceholders.api.placeholder.AudiencePlaceholder;
-import io.github.miniplaceholders.api.placeholder.RelationalPlaceholder;
-import org.jetbrains.annotations.NotNull;
-
-import net.kyori.adventure.text.Component;
-import net.kyori.adventure.text.minimessage.tag.Tag;
-
-/**Tags utils */
-public final class TagsUtils {
-    private TagsUtils(){}
-
-    /**
-     * Empty Tag
-     * @since 1.0.0
-     */
-    public static final Tag EMPTY_TAG = Tag.selfClosingInserting(Component.empty());
-
-    /**
-     * Null Tag
-     * @since 1.1.0
-     */
-    public static final Tag NULL_TAG = null;
-
-    /**
-     * An Audience placeholder that returns a null Tag
-     * @since 1.1.0
-     */
-    public static final AudiencePlaceholder NULL_AUDIENCE_PLACEHOLDER = (aud, queue, ctx) -> NULL_TAG;
-
-    /**
-     * A Relational placeholder that returns a null tag
-     * @since 1.1.0
-     */
-    public static final RelationalPlaceholder NULL_RELATIONAL_PLACEHOLDER = (aud, otheraud, queue, ctx) -> NULL_TAG;
-
-    /**
-     * Creates a new Tag based on a String
-     * @param string the string
-     * @return a new basic self closing Tag of a string
-     * @since 1.1.0
-     */
-    @Deprecated
-    public static @NotNull Tag staticTag(@NotNull String string) {
-        return Tag.selfClosingInserting(Component.text(string));
-    }
-
-    /**
-     * Creates a new basic Tag based on a Component
-     * @param component the component
-     * @return a new basic self closing Tag of a component
-     * @since 1.1.0
-     */
-    @Deprecated
-    public static @NotNull Tag staticTag(@NotNull Component component) {
-        return Tag.selfClosingInserting(component);
-    }
-
-}

api/src/main/java/module-info.java

@@ -1,16 +1,21 @@
-/** MiniPlaceholders API Module */
+/**
+ * MiniPlaceholders API Module
+ */
 open module io.github.miniplaceholders.api {
-    requires io.github.miniplaceholders.connect;
+  requires io.github.miniplaceholders.connect;
 
-    requires net.kyori.adventure;
-    requires net.kyori.adventure.text.minimessage;
-    requires net.kyori.adventure.text.serializer.legacy;
-    requires net.kyori.examination.api;
+  requires net.kyori.adventure;
+  requires net.kyori.adventure.text.minimessage;
+  requires net.kyori.adventure.text.serializer.legacy;
+  requires net.kyori.examination.api;
 
-    requires static org.jetbrains.annotations;
+  requires static org.jetbrains.annotations;
+  requires static org.jspecify;
 
-    exports io.github.miniplaceholders.api;
-    exports io.github.miniplaceholders.api.enums;
-    exports io.github.miniplaceholders.api.utils;
-    exports io.github.miniplaceholders.api.placeholder;
+  exports io.github.miniplaceholders.api;
+  exports io.github.miniplaceholders.api.types;
+  exports io.github.miniplaceholders.api.utils;
+  exports io.github.miniplaceholders.api.resolver;
+  exports io.github.miniplaceholders.api.placeholder;
+  exports io.github.miniplaceholders.api.provider;
 }

api/src/test/java/io/github/miniplaceholders/test/ArgumentTest.java

@@ -0,0 +1,32 @@
+package io.github.miniplaceholders.test;
+
+import io.github.miniplaceholders.api.Expansion;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.minimessage.tag.Tag;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import static net.kyori.adventure.text.minimessage.MiniMessage.miniMessage;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public class ArgumentTest implements MiniTest {
+  @Test
+  @DisplayName("Empty Arguments")
+  void testEmptyArguments() {
+    final Expansion expansion = Expansion.builder("test")
+        .globalPlaceholder("testing", (queue, ctx) -> {
+          int arguments = 0;
+          while (queue.hasNext()) {
+            arguments++;
+            Tag.Argument argument = queue.pop();
+            assertTrue(argument.value().isBlank());
+          }
+          return Tag.selfClosingInserting(Component.text("Arguments: " + arguments));
+        })
+        .build();
+
+    Component parsed = miniMessage().deserialize("<test_testing::>", expansion.globalPlaceholders());
+
+    assertContentEquals(parsed, Component.text("Arguments: 2"));
+  }
+}

api/src/test/java/io/github/miniplaceholders/test/ExpansionsTest.java

@@ -1,45 +1,65 @@
 package io.github.miniplaceholders.test;
 
 import io.github.miniplaceholders.api.Expansion;
-import io.github.miniplaceholders.api.utils.TagsUtils;
-import io.github.miniplaceholders.test.testobjects.TestAudienceHolder;
-import net.kyori.adventure.text.Component;
+import io.github.miniplaceholders.api.placeholder.GlobalPlaceholder;
+import io.github.miniplaceholders.api.types.PlaceholderType;
+import io.github.miniplaceholders.api.utils.Tags;
+import io.github.miniplaceholders.test.instances.TestAudience;
 import net.kyori.adventure.text.minimessage.tag.Tag;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 
-import static io.github.miniplaceholders.test.PlaceholderTest.assertContentEquals;
-import static net.kyori.adventure.text.minimessage.MiniMessage.miniMessage;
-import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
-import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.*;
 
-class ExpansionsTest {
+class ExpansionsTest implements MiniTest {
     @Test
     @DisplayName("Expansion Equality")
-    void equalsExpansions(){
+    void equalsExpansions() {
         final Expansion firstExpansion = Expansion.builder("equals")
-            .audiencePlaceholder("test", TagsUtils.NULL_AUDIENCE_PLACEHOLDER)
-            .build();
+                .audiencePlaceholder("test", Tags.emptyAudienceResolver())
+                .build();
         final Expansion secondExpansion = Expansion.builder("equals")
-            .audiencePlaceholder("test", TagsUtils.NULL_AUDIENCE_PLACEHOLDER)
-            .build();
+                .audiencePlaceholder("test", Tags.emptyAudienceResolver())
+                .build();
 
         assertEquals(firstExpansion, secondExpansion);
     }
 
     @Test
-    void nullForwardedAudience() {
-        TestAudienceHolder audience = new TestAudienceHolder(null);
-
+    void placeholderRetrievalTest() {
         final Expansion expansion = Expansion.builder("test")
-                .filter(aud -> aud.toString().isBlank())
-                .audiencePlaceholder("testing", (aud, queue, ctx) -> Tag.selfClosingInserting(Component.text(aud.toString())))
+                .globalPlaceholder("some_placeholder", Tag.preProcessParsed("test"))
                 .build();
 
-        Component result = assertDoesNotThrow(
-                () -> miniMessage().deserialize("<test_testing>", expansion.audiencePlaceholders(audience))
-        );
+        assertTrue(expansion.hasGlobalPlaceholder("some_placeholder"));
+        final GlobalPlaceholder somePlaceholder = expansion.globalPlaceholderByName("some_placeholder");
+        assertNotNull(somePlaceholder);
 
-        assertContentEquals(result, Component.text("<test_testing>"));
+        final var expansionResult = parse("Result: <test_some_placeholder>", expansion.globalPlaceholders());
+        final var placeholderResult = parse("Result: <test_some_placeholder>", somePlaceholder);
+        assertSimilarity("Result: test", expansionResult);
+        assertSimilarity("Result: test", placeholderResult);
+    }
+
+    @Test
+    void placeholdersByType() {
+        final Expansion expansion = Expansion.builder("idk")
+                .audiencePlaceholder(TestAudience.class, "test", Tags.emptyAudienceResolver())
+                .build();
+
+        var placeholders = expansion.placeholdersByType(PlaceholderType.AUDIENCE);
+        assertNotNull(placeholders);
+        assertEquals(placeholders, expansion.audiencePlaceholders());
+    }
+
+    @Test
+    void placeholdersByName() {
+        final Expansion expansion = Expansion.builder("test")
+                .globalPlaceholder("someexpansion", Tags.emptyGlobalPlaceholder())
+                .build();
+
+        final GlobalPlaceholder placeholder = expansion.globalPlaceholderByName("someexpansion");
+        assertNotNull(placeholder);
+        assertEquals("someexpansion", placeholder.name());
     }
 }

api/src/test/java/io/github/miniplaceholders/test/LegacyTest.java

@@ -1,20 +1,42 @@
 package io.github.miniplaceholders.test;
 
-import io.github.miniplaceholders.api.utils.LegacyUtils;
+import io.github.miniplaceholders.api.utils.LegacyStrings;
 import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.minimessage.tag.Inserting;
+import net.kyori.adventure.text.minimessage.tag.PreProcess;
+import net.kyori.adventure.text.minimessage.tag.Tag;
 import net.kyori.adventure.text.serializer.plain.PlainTextComponentSerializer;
 import org.junit.jupiter.api.Test;
 
-import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.*;
 
-class LegacyTest {
+class LegacyTest implements MiniTest {
     @Test
     void testLegacyParsing() {
         final String string = "<rainbow>hello... i &8hate legacy format §bso much";
-        final Component parsed = LegacyUtils.parsePossibleLegacy(string);
+        final Component parsed = LegacyStrings.parsePossibleLegacy(string);
         final String result = PlainTextComponentSerializer.plainText().serialize(parsed);
         final String expected = "hello... i hate legacy format so much";
 
         assertEquals(expected, result);
     }
+
+    @Test
+    void testMapLegacyOrElse() {
+        final String legacyInput = "&fhi <red>aaaa";
+        Tag legacyProcessedTag = LegacyStrings.mapLegacyOrElse(
+                legacyInput,
+                legacy -> Tag.inserting(LegacyStrings.parsePossibleLegacy(legacy)),
+                Tag::preProcessParsed
+        );
+        assertInstanceOf(Inserting.class, legacyProcessedTag);
+
+        final String modernInput = "<rainbow>aaaaaaaaaaaaa";
+        Tag modernProcessedTag = LegacyStrings.mapLegacyOrElse(
+                modernInput,
+                __ -> fail(),
+                Tag::preProcessParsed
+        );
+        assertInstanceOf(PreProcess.class, modernProcessedTag);
+    }
 }

api/src/test/java/io/github/miniplaceholders/test/MiniPlaceholdersTest.java

@@ -1,32 +1,28 @@
 package io.github.miniplaceholders.test;
 
-import org.junit.jupiter.api.Disabled;
-import org.junit.jupiter.api.Test;
-
 import io.github.miniplaceholders.api.Expansion;
 import io.github.miniplaceholders.api.MiniPlaceholders;
-import io.github.miniplaceholders.api.utils.TagsUtils;
-import net.kyori.adventure.audience.Audience;
+import io.github.miniplaceholders.api.utils.Tags;
 import net.kyori.adventure.text.minimessage.tag.resolver.TagResolver;
+import org.junit.jupiter.api.Test;
 
 import static org.junit.jupiter.api.Assertions.*;
 
-class MiniPlaceholdersTest {
+class MiniPlaceholdersTest implements MiniTest {
     @Test
-    @Disabled("Cannot correctly calculate the equity of 2 TagResolvers obtained in different ways")
     void methodEquality(){
         Expansion.builder("equality")
-            .audiencePlaceholder("audience", TagsUtils.NULL_AUDIENCE_PLACEHOLDER)
-            .globalPlaceholder("global", TagsUtils.EMPTY_TAG)
+            .audiencePlaceholder("audience", Tags.emptyAudienceResolver())
+            .globalPlaceholder("global", (queue, ctx) -> Tags.EMPTY_TAG)
             .build()
         .register();
 
 
         assertEquals(
-            MiniPlaceholders.getAudienceGlobalPlaceholders(Audience.empty()),
+            MiniPlaceholders.audienceGlobalPlaceholders(),
             TagResolver.resolver(
-                MiniPlaceholders.getAudiencePlaceholders(Audience.empty()),
-                MiniPlaceholders.getGlobalPlaceholders()
+                MiniPlaceholders.audiencePlaceholders(),
+                MiniPlaceholders.globalPlaceholders()
             )
         );
     }
@@ -37,6 +33,8 @@ class MiniPlaceholdersTest {
                 .build();
         expansion.register();
 
+        assertNotNull(MiniPlaceholders.expansionByName("testregistration"));
+
         assertTrue(expansion.registered());
         assertThrows(IllegalStateException.class, expansion::register);
 

api/src/test/java/io/github/miniplaceholders/test/MiniTest.java

@@ -0,0 +1,30 @@
+package io.github.miniplaceholders.test;
+
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.minimessage.MiniMessage;
+import net.kyori.adventure.text.minimessage.tag.resolver.TagResolver;
+import net.kyori.adventure.text.serializer.plain.PlainTextComponentSerializer;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+public interface MiniTest {
+  default void assertContentEquals(Component first, Component second) {
+    String firstSerialized = PlainTextComponentSerializer.plainText().serialize(first);
+    String secondSerialized = PlainTextComponentSerializer.plainText().serialize(second);
+
+    assertEquals(firstSerialized, secondSerialized);
+  }
+
+  default void assertSimilarity(String string, Component component) {
+    final String serialized = PlainTextComponentSerializer.plainText().serializeOrNull(component);
+
+    assertNotNull(serialized);
+
+    assertEquals(string, serialized);
+  }
+
+  default Component parse(String string, TagResolver resolver) {
+    return MiniMessage.miniMessage().deserialize(string, resolver);
+  }
+}

api/src/test/java/io/github/miniplaceholders/test/PlaceholderTest.java

@@ -1,154 +1,29 @@
 package io.github.miniplaceholders.test;
 
-import static net.kyori.adventure.text.minimessage.MiniMessage.miniMessage;
-import static org.junit.jupiter.api.Assertions.*;
-
-import io.github.miniplaceholders.test.testobjects.TestAudience;
-import io.github.miniplaceholders.test.testobjects.TestAudienceHolder;
-import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.DisplayName;
-
 import io.github.miniplaceholders.api.Expansion;
 import io.github.miniplaceholders.api.MiniPlaceholders;
-import net.kyori.adventure.audience.Audience;
 import net.kyori.adventure.text.Component;
 import net.kyori.adventure.text.format.NamedTextColor;
 import net.kyori.adventure.text.minimessage.MiniMessage;
 import net.kyori.adventure.text.minimessage.tag.Tag;
-import net.kyori.adventure.text.serializer.plain.PlainTextComponentSerializer;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
 
-class PlaceholderTest {
+class PlaceholderTest implements MiniTest {
 
-    @Test
-    @DisplayName("Audience Placeholder Test")
-    void audienceExpansionPlaceholdersTest(){
-        TestAudience player = new TestAudience("4drian3d");
-
-        Expansion expansion = Expansion.builder("example")
-            .audiencePlaceholder("name", (aud, queue, ctx) -> {
-                TestAudience audience = (TestAudience) aud;
-                return Tag.selfClosingInserting(Component.text(audience.name()));
-            }).build();
-
-        final Component expected = Component.text("Player Name: 4drian3d");
-        final Component result = miniMessage().deserialize("Player Name: <example_name>", expansion.audiencePlaceholders(player));
-
-        assertContentEquals(expected, result);
-    }
-
-    @Test
-    @DisplayName("Relational Placeholder Test")
-    void relationalExpansionPlaceholdersTest(){
-        Audience p1 = new TestAudience("PlayerOne");
-        Audience p2 = new TestAudience("PlayerTwo");
-
-        Expansion expansion = Expansion.builder("relational")
-            .relationalPlaceholder("enemy",
-                (aud, otheraud, queue, ctx) -> Tag.selfClosingInserting(this.isEnemy(((TestAudience)aud),((TestAudience)otheraud))
-                    ? Component.text("Enemy", NamedTextColor.RED)
-                    : Component.text("Neutral", NamedTextColor.GREEN)
-                ))
-            .build();
-
-        assertEquals(MiniMessage.miniMessage().deserialize("You are <red>Enemy"), MiniMessage.miniMessage().deserialize("You are <relational_rel_enemy>", expansion.relationalPlaceholders(p1, p2)));
-    }
-
-    @Test
-    @DisplayName("Global Placeholder Test")
-    void globalExpansionPlaceholderTest(){
-        Expansion expansion = Expansion.builder("global")
-            .globalPlaceholder("players", (queue, ctx) -> Tag.selfClosingInserting(Component.text(1305)))
-            .globalPlaceholder("servers", (queue, ctx) -> Tag.selfClosingInserting(Component.text(7)))
-            .build();
-
-        final Component expected = Component.text("Online players: 1305 | Servers: 7");
-        final Component actual = MiniMessage.miniMessage().deserialize("Online players: <global_players> | Servers: <global_servers>", expansion.globalPlaceholders());
-
-        assertContentEquals(expected, actual);
-    }
-
-    @Test
-    @DisplayName("Registered Placeholders")
-    void instancePlaceholdersTest(){
-        Expansion.builder("instance")
-            .globalPlaceholder("hello", (queue, ctx) -> Tag.selfClosingInserting(Component.text("hello", NamedTextColor.RED)))
+  @Test
+  @DisplayName("Registered Placeholders")
+  void instancePlaceholdersTest() {
+    Expansion.builder("instance")
+            .globalPlaceholder("hello", (queue, ctx) ->
+                Tag.selfClosingInserting(Component.text("hello", NamedTextColor.RED)))
             .build()
             .register();
 
-        Component expected = Component.text("hello player", NamedTextColor.RED);
-        Component actual = MiniMessage.miniMessage().deserialize("<instance_hello> player", MiniPlaceholders.getGlobalPlaceholders());
+    Component expected = Component.text("hello player", NamedTextColor.RED);
+    Component actual = MiniMessage.miniMessage().deserialize("<instance_hello> player", MiniPlaceholders.globalPlaceholders());
 
-        assertContentEquals(expected, actual);
-    }
-
-    @Test
-    @DisplayName("Filtered Expansion")
-    void filteredExpansion(){
-        Expansion expansion = Expansion.builder("filter")
-            .audiencePlaceholder("name", (aud, queue, ctx) -> Tag.selfClosingInserting(Component.text(((TestAudience)aud).name())))
-            .filter(TestAudience.class)
-            .build();
-
-        Audience player = new TestAudience("TestPlayer04");
-        Audience emptyAudience = Audience.empty();
-
-        String string = "Player Name: <filter_name>";
-
-        Component playerExpected = Component.text("Player Name: TestPlayer04");
-        Component emptyExpected = Component.text("Player Name: <filter_name>");
-
-        assertContentEquals(playerExpected, MiniMessage.miniMessage().deserialize(string, expansion.audiencePlaceholders(player)));
-        assertContentEquals(emptyExpected, MiniMessage.miniMessage().deserialize(string, expansion.audiencePlaceholders(emptyAudience)));
-    }
-
-    @Test
-    @DisplayName("Empty Arguments")
-    void testEmptyArguments() {
-        final Expansion expansion = Expansion.builder("test")
-                .globalPlaceholder("testing", (queue, ctx) -> {
-                    int arguments = 0;
-                    while (queue.hasNext()) {
-                        arguments++;
-                        Tag.Argument argument = queue.pop();
-                        assertTrue(argument.value().isBlank());
-                    }
-                    return Tag.selfClosingInserting(Component.text("Arguments: "+arguments));
-                })
-                .build();
-
-        Component parsed = miniMessage().deserialize("<test_testing::>", expansion.globalPlaceholders());
-
-        assertContentEquals(parsed, Component.text("Arguments: 2"));
-    }
-
-    @Test
-    @DisplayName("Forwarding Audience Parsing Test")
-    void forwardingAudienceTest() {
-        Expansion expansion = Expansion.builder("test")
-                .filter(TestAudience.class)
-                .audiencePlaceholder("testing", (audience, queue, ctx) -> {
-                    TestAudience testAudience = (TestAudience) audience;
-                    return Tag.selfClosingInserting(Component.text("Name: "+testAudience.name()));
-                }).build();
-
-        TestAudience testAudience = new TestAudience("4drian3d");
-        Audience forward = new TestAudienceHolder(testAudience);
-
-        Component parsed = miniMessage().deserialize("<test_testing>.", expansion.audiencePlaceholders(forward));
-        Component expected = Component.text("Name: 4drian3d.");
-
-        assertContentEquals(parsed, expected);
-    }
-
-    static void assertContentEquals(Component first, Component second){
-        String firstSerialized = PlainTextComponentSerializer.plainText().serialize(first);
-        String secondSerialized = PlainTextComponentSerializer.plainText().serialize(second);
-
-        assertEquals(firstSerialized, secondSerialized);
-    }
-
-    private boolean isEnemy(TestAudience a1, TestAudience a2){
-        return a1.name().equals("PlayerOne") && a2.name().equals("PlayerTwo");
-    }
+    assertContentEquals(expected, actual);
+  }
 
 }

api/src/test/java/io/github/miniplaceholders/test/TagTest.java

@@ -0,0 +1,49 @@
+package io.github.miniplaceholders.test;
+
+import io.github.miniplaceholders.api.Expansion;
+import io.github.miniplaceholders.api.MiniPlaceholders;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.format.NamedTextColor;
+import net.kyori.adventure.text.minimessage.Context;
+import net.kyori.adventure.text.minimessage.tag.Modifying;
+import net.kyori.adventure.text.minimessage.tag.ParserDirective;
+import net.kyori.adventure.text.minimessage.tag.resolver.ArgumentQueue;
+import net.kyori.adventure.text.minimessage.tag.resolver.TagResolver;
+import net.kyori.adventure.text.serializer.plain.PlainTextComponentSerializer;
+import org.jetbrains.annotations.NotNull;
+import org.junit.jupiter.api.Test;
+
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class TagTest implements MiniTest {
+  @Test
+  void testTag() {
+    Expansion.builder("tags")
+            .globalPlaceholder("modifying", FilteringTag::new)
+            .globalPlaceholder("parser_directive", ParserDirective.RESET)
+            .build()
+            .register();
+
+    final TagResolver globalResolver = MiniPlaceholders.globalPlaceholders();
+    assertSimilarity("------ replacement ------", parse("------ <tags_modifying>test</tags_modifying> ------", globalResolver));
+    assertEquals(Component.text()
+                    .append(Component.text("aaaaaa", NamedTextColor.RED), Component.text("aaaaaaa"))
+                    .build(),
+                parse("<red>aaaaaa<tags_parser_directive>aaaaaaa", globalResolver));
+  }
+
+  public record FilteringTag(ArgumentQueue queue, Context context) implements Modifying {
+    @Override
+    public Component apply(@NotNull Component current, int depth) {
+      if (depth != 0) {
+        return Component.empty();
+      }
+      final String serialized = PlainTextComponentSerializer.plainText().serialize(current);
+      if (serialized.contains("test")) {
+        return Component.text(serialized.replace("test", "replacement"));
+      }
+      return current;
+    }
+  }
+}

api/src/test/java/io/github/miniplaceholders/test/ThrowableTest.java

@@ -1,23 +1,17 @@
 package io.github.miniplaceholders.test;
 
+import io.github.miniplaceholders.api.Expansion;
+import io.github.miniplaceholders.api.resolver.GlobalTagResolver;
+import io.github.miniplaceholders.api.utils.Tags;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
 import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
-import java.util.function.BiFunction;
-
-import org.junit.jupiter.api.DisplayName;
-import org.junit.jupiter.api.Test;
-
-import io.github.miniplaceholders.api.Expansion;
-import io.github.miniplaceholders.api.MiniPlaceholders;
-import io.github.miniplaceholders.api.utils.TagsUtils;
-import net.kyori.adventure.text.minimessage.Context;
-import net.kyori.adventure.text.minimessage.tag.Tag;
-import net.kyori.adventure.text.minimessage.tag.resolver.ArgumentQueue;
-
 //yea... it is intended xd
 @SuppressWarnings("DataFlowIssue")
-class ThrowableTest {
+class ThrowableTest implements MiniTest {
     @Test
     @DisplayName("Nullable Exception")
     void throwOnNull(){
@@ -25,17 +19,8 @@ class ThrowableTest {
 
         Expansion.Builder expansionTest = assertDoesNotThrow(() -> Expansion.builder("throwable"));
 
-        assertThrows(NullPointerException.class, () -> expansionTest.audiencePlaceholder(null, (aud, queue, ctx) -> TagsUtils.EMPTY_TAG));
-        assertThrows(NullPointerException.class, () -> expansionTest.globalPlaceholder("test", (BiFunction<ArgumentQueue, Context, Tag>)null));
-
-        Expansion.builder("testThrows")
-            .audiencePlaceholder("test", (aud, queue, ctx) -> TagsUtils.EMPTY_TAG)
-            .relationalPlaceholder("test2", (aud, aud2, queue, ctx) -> TagsUtils.EMPTY_TAG)
-            .build()
-            .register();
-
-        assertThrows(NullPointerException.class, () -> MiniPlaceholders.getAudiencePlaceholders(null));
-        assertThrows(NullPointerException.class, () -> MiniPlaceholders.getRelationalPlaceholders(null, null));
+        assertThrows(NullPointerException.class, () -> expansionTest.audiencePlaceholder(null, (aud, queue, ctx) -> Tags.EMPTY_TAG));
+        assertThrows(NullPointerException.class, () -> expansionTest.globalPlaceholder("test", (GlobalTagResolver) null));
     }
 
     @Test
@@ -43,9 +28,9 @@ class ThrowableTest {
     void throwOnBlankString(){
         Expansion.Builder builder = assertDoesNotThrow(() -> Expansion.builder("hello"));
 
-        assertThrows(IllegalStateException.class, () -> builder.audiencePlaceholder("", (aud, queue, ctx) -> TagsUtils.EMPTY_TAG));
-        assertThrows(IllegalStateException.class, () -> builder.globalPlaceholder("     ", (queue, ctx) -> TagsUtils.EMPTY_TAG));
+        assertThrows(IllegalStateException.class, () -> builder.audiencePlaceholder("", (aud, queue, ctx) -> Tags.EMPTY_TAG));
+        assertThrows(IllegalStateException.class, () -> builder.globalPlaceholder("     ", (queue, ctx) -> Tags.EMPTY_TAG));
 
-        assertDoesNotThrow(() -> builder.globalPlaceholder("hehe", (queue, ctx) -> TagsUtils.EMPTY_TAG));
+        assertDoesNotThrow(() -> builder.globalPlaceholder("hehe", (queue, ctx) -> Tags.EMPTY_TAG));
     }
 }

api/src/test/java/io/github/miniplaceholders/test/instances/TestAudience.java

@@ -1,4 +1,4 @@
-package io.github.miniplaceholders.test.testobjects;
+package io.github.miniplaceholders.test.instances;
 
 import org.jetbrains.annotations.NotNull;
 

api/src/test/java/io/github/miniplaceholders/test/instances/TestAudienceHolder.java

@@ -1,4 +1,4 @@
-package io.github.miniplaceholders.test.testobjects;
+package io.github.miniplaceholders.test.instances;
 
 import net.kyori.adventure.audience.ForwardingAudience;
 import org.jetbrains.annotations.NotNull;

api/src/test/java/io/github/miniplaceholders/test/loader/TestExpansionProvider.java

@@ -0,0 +1,21 @@
+package io.github.miniplaceholders.test.loader;
+
+import io.github.miniplaceholders.api.Expansion;
+import io.github.miniplaceholders.api.provider.ExpansionProvider;
+import io.github.miniplaceholders.api.provider.LoadRequirement;
+import io.github.miniplaceholders.api.types.Platform;
+
+public class TestExpansionProvider implements ExpansionProvider {
+  @Override
+  public Expansion provideExpansion() {
+    return Expansion.builder("provided").build();
+  }
+
+  @Override
+  public LoadRequirement loadRequirement() {
+    return LoadRequirement.allOf(
+            LoadRequirement.platform(Platform.FABRIC, Platform.PAPER),
+            LoadRequirement.requiredComplement("luckperms", "LuckPerms")
+    );
+  }
+}

api/src/test/java/io/github/miniplaceholders/test/placeholder/AudiencePlaceholderTest.java

@@ -0,0 +1,93 @@
+package io.github.miniplaceholders.test.placeholder;
+
+import io.github.miniplaceholders.api.Expansion;
+import io.github.miniplaceholders.api.placeholder.PlaceholderMetadata;
+import io.github.miniplaceholders.test.MiniTest;
+import io.github.miniplaceholders.test.instances.TestAudience;
+import io.github.miniplaceholders.test.instances.TestAudienceHolder;
+import net.kyori.adventure.audience.Audience;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.minimessage.MiniMessage;
+import net.kyori.adventure.text.minimessage.tag.Tag;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import static net.kyori.adventure.text.minimessage.MiniMessage.miniMessage;
+
+public class AudiencePlaceholderTest implements MiniTest {
+  @Test
+  @DisplayName("Audience Placeholder Test")
+  void audienceExpansionPlaceholdersTest() {
+    TestAudience player = new TestAudience("4drian3d");
+
+    Expansion expansion = Expansion.builder("example")
+        .audiencePlaceholder("name", (aud, queue, ctx) -> {
+          TestAudience audience = (TestAudience) aud;
+          return Tag.selfClosingInserting(Component.text(audience.name()));
+        }).build();
+
+    final Component expected = Component.text("Player Name: 4drian3d");
+    final Component result = miniMessage().deserialize("Player Name: <example_name>", player, expansion.audiencePlaceholders());
+
+    assertContentEquals(expected, result);
+  }
+
+  @Test
+  @DisplayName("Forwarding Audience Parsing Test")
+  void forwardingAudienceTest() {
+    Expansion expansion = Expansion.builder("test")
+        .audiencePlaceholder(TestAudience.class, "testing",
+            (audience, queue, ctx) -> Tag.selfClosingInserting(Component.text("Name: " + audience.name())))
+        .build();
+
+    TestAudience testAudience = new TestAudience("4drian3d");
+    Audience forward = new TestAudienceHolder(testAudience);
+
+    Component parsed = miniMessage().deserialize("<test_testing>.", forward, expansion.audiencePlaceholders());
+    Component expected = Component.text("Name: 4drian3d.");
+
+    assertContentEquals(parsed, expected);
+  }
+
+  @Test
+  @DisplayName("Filtered Expansion")
+  void filteredExpansion() {
+    Expansion expansion = Expansion.builder("filter")
+        .audiencePlaceholder(TestAudience.class, "name",
+            (aud, queue, ctx) -> Tag.selfClosingInserting(Component.text(aud.name())))
+        .build();
+
+    Audience player = new TestAudience("TestPlayer04");
+    Audience emptyAudience = Audience.empty();
+
+    String string = "Player Name: <filter_name>";
+
+    Component playerExpected = Component.text("Player Name: TestPlayer04");
+    Component emptyExpected = Component.text("Player Name: <filter_name>");
+
+    assertContentEquals(playerExpected, MiniMessage.miniMessage().deserialize(string, player, expansion.audiencePlaceholders()));
+    assertContentEquals(emptyExpected, MiniMessage.miniMessage().deserialize(string, emptyAudience, expansion.audiencePlaceholders()));
+  }
+
+  @Test
+  @DisplayName("AudiencePlaceholder Builder creation")
+  void builderAudiencePlaceholderCreation() {
+    final Expansion expansion = Expansion.builder("builder")
+        .audiencePlaceholder(
+            TestAudience.class,
+            builder -> builder.name("test")
+                .resolver((audience, queue, ctx) -> {
+                  final String name = audience.name();
+                  return Tag.preProcessParsed(name);
+                })
+                .metadata(PlaceholderMetadata.data("Builder Test", "Returns the Audience Name"))
+                .targetFilter(target -> target.name().length() <= 16)
+        ).build();
+    final TestAudience audience = new TestAudience("4drian3d");
+
+    Component expected = Component.text("My name is: 4drian3d");
+    Component parsed = miniMessage().deserialize("My name is: <builder_test>", audience, expansion.audiencePlaceholders());
+
+    assertContentEquals(expected, parsed);
+  }
+}

api/src/test/java/io/github/miniplaceholders/test/placeholder/GlobalPlaceholderTest.java

@@ -0,0 +1,26 @@
+package io.github.miniplaceholders.test.placeholder;
+
+import io.github.miniplaceholders.api.Expansion;
+import io.github.miniplaceholders.test.MiniTest;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.minimessage.MiniMessage;
+import net.kyori.adventure.text.minimessage.tag.Tag;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+public class GlobalPlaceholderTest implements MiniTest {
+  @Test
+  @DisplayName("Global Placeholder Test")
+  void globalExpansionPlaceholderTest() {
+    Expansion expansion = Expansion.builder("global")
+        .globalPlaceholder("players", (queue, ctx) -> Tag.selfClosingInserting(Component.text(1305)))
+        .globalPlaceholder("servers", (queue, ctx) -> Tag.selfClosingInserting(Component.text(7)))
+        .build();
+
+    final Component expected = Component.text("Online players: 1305 | Servers: 7");
+    final Component actual = MiniMessage.miniMessage().deserialize("Online players: <global_players> | Servers: <global_servers>",
+        expansion.globalPlaceholders());
+
+    assertContentEquals(expected, actual);
+  }
+}

api/src/test/java/io/github/miniplaceholders/test/placeholder/RelationalPlaceholderTest.java

@@ -0,0 +1,117 @@
+package io.github.miniplaceholders.test.placeholder;
+
+import io.github.miniplaceholders.api.Expansion;
+import io.github.miniplaceholders.api.placeholder.PlaceholderMetadata;
+import io.github.miniplaceholders.api.types.RelationalAudience;
+import io.github.miniplaceholders.test.MiniTest;
+import io.github.miniplaceholders.test.instances.TestAudience;
+import io.github.miniplaceholders.test.instances.TestAudienceHolder;
+import net.kyori.adventure.audience.Audience;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.format.NamedTextColor;
+import net.kyori.adventure.text.minimessage.MiniMessage;
+import net.kyori.adventure.text.minimessage.tag.Tag;
+import org.jetbrains.annotations.NotNull;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import static net.kyori.adventure.text.minimessage.MiniMessage.miniMessage;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class RelationalPlaceholderTest implements MiniTest {
+  @Test
+  @DisplayName("Relational Placeholder Test")
+  void relationalExpansionPlaceholdersTest() {
+    Audience p1 = new TestAudience("PlayerOne");
+    Audience p2 = new TestAudience("PlayerTwo");
+
+    Expansion expansion = Expansion.builder("relational")
+        .relationalPlaceholder(TestAudience.class, "enemy",
+            (aud, relational, queue, ctx) ->
+                Tag.selfClosingInserting(this.isEnemy(aud, relational)
+                    ? Component.text("Enemy", NamedTextColor.RED)
+                    : Component.text("Neutral", NamedTextColor.GREEN)
+                ))
+        .build();
+
+    assertEquals(
+        MiniMessage.miniMessage().deserialize("You are <red>Enemy"),
+        MiniMessage.miniMessage().deserialize("You are <relational_rel_enemy>",
+            RelationalAudience.from(p1, p2),
+            expansion.relationalPlaceholders()));
+  }
+
+  private boolean isEnemy(TestAudience a1, TestAudience a2) {
+    return a1.name().equals("PlayerOne") && a2.name().equals("PlayerTwo");
+  }
+
+  @Test
+  @DisplayName("Relational Forwarding Audience Parsing Test")
+  void relationalForwardingAudienceTest() {
+    Expansion expansion = Expansion.builder("test")
+        .relationalPlaceholder(TestAudience.class, "testing",
+            (audience, another, queue, ctx) ->
+                Tag.selfClosingInserting(Component.text("Name: " + audience.name() + ", Other Name: " + another.name())))
+        .build();
+
+    TestAudience testAudience = new TestAudience("4drian3d");
+    TestAudience secondAudience = new TestAudience("PepitoAlcachofa");
+    Audience forward = new TestAudienceHolder(testAudience);
+    Audience secondForward = new TestAudienceHolder(secondAudience);
+
+    Component parsed = miniMessage().deserialize("<test_rel_testing>.",
+        RelationalAudience.from(forward, secondForward), expansion.relationalPlaceholders());
+    Component expected = Component.text("Name: 4drian3d, Other Name: PepitoAlcachofa.");
+
+    assertContentEquals(expected, parsed);
+  }
+
+  @Test
+  @DisplayName("Relational Filtered Expansion")
+  void relationalFilteredExpansion() {
+    Expansion expansion = Expansion.builder("filter")
+        .relationalPlaceholder(TestAudience.class, "name",
+            (aud, another, queue, ctx) ->
+                Tag.selfClosingInserting(Component.text(aud.name().replace(another.name(), ""))))
+        .build();
+
+    Audience player = new TestAudience("TestPlayer04");
+    Audience second = new TestAudience("Player");
+    Audience emptyAudience = Audience.empty();
+
+    String string = "Player Name: <filter_rel_name>";
+
+    Component playerExpected = Component.text("Player Name: Test04");
+    Component emptyExpected = Component.text("Player Name: <filter_rel_name>");
+
+    assertContentEquals(playerExpected, MiniMessage.miniMessage().deserialize(string,
+        RelationalAudience.from(player, second), expansion.relationalPlaceholders()));
+    assertContentEquals(emptyExpected, MiniMessage.miniMessage().deserialize(string,
+        RelationalAudience.from(player, emptyAudience), expansion.relationalPlaceholders()));
+  }
+
+  @Test
+  @DisplayName("RelationalPlaceholder Builder creation")
+  void builderRelationalPlaceholderCreation() {
+    final Expansion expansion = Expansion.builder("builder")
+        .relationalPlaceholder(
+            TestAudience.class,
+            builder -> builder.name("test")
+                .resolver((audience, relational, queue, ctx) -> {
+                  final String name = audience.name();
+                  final String relationalName = relational.name();
+                  return Tag.preProcessParsed(name + " and " + relationalName);
+                })
+                .metadata(PlaceholderMetadata.data("Builder Test", "Returns the Audience plus the Relational Audience combined Names"))
+                .targetFilter(target -> target.name().length() <= 16)
+        ).build();
+    final TestAudience audience = new TestAudience("4drian3d");
+    final TestAudience relational = new TestAudience("PepitoAlcachofa");
+    final RelationalAudience<@NotNull TestAudience> relationalAudience = RelationalAudience.from(audience, relational);
+
+    Component expected = Component.text("Our names are: 4drian3d and PepitoAlcachofa");
+    Component parsed = miniMessage().deserialize("Our names are: <builder_test>", relationalAudience, expansion.relationalPlaceholders());
+
+    assertContentEquals(expected, parsed);
+  }
+}

build-logic/build.gradle.kts

@@ -5,7 +5,6 @@ plugins {
 dependencies {
     implementation(libs.plugin.shadow)
     implementation(libs.plugin.kotlin)
-    implementation(libs.plugin.dokka)
 }
 
 repositories {
@@ -14,6 +13,6 @@ repositories {
 
 kotlin {
     jvmToolchain {
-        languageVersion.set(JavaLanguageVersion.of(17))
+        languageVersion = JavaLanguageVersion.of(21)
     }
 }

build-logic/settings.gradle.kts

@@ -15,5 +15,5 @@ dependencyResolutionManagement {
 }
 
 plugins {
-    id("org.gradle.toolchains.foojay-resolver-convention") version "0.8.0"
+    id("org.gradle.toolchains.foojay-resolver-convention") version "1.0.0"
 }

build-logic/src/main/kotlin/extensions.kt

@@ -1,7 +1,7 @@
 import org.gradle.api.Project
-import org.gradle.configurationcache.extensions.capitalized
 
 val Project.capitalizeName: String
-    get() = this.name.substring(17).capitalized()
+    get() = this.name.substring(17)
+        .replaceFirstChar { if (it.isLowerCase()) it.titlecase() else it.toString() }
 
 fun Project.simpleName(): String = this.name.substring(17)

build-logic/src/main/kotlin/miniplaceholders.base.gradle.kts

@@ -7,7 +7,7 @@ plugins {
 tasks {
     compileJava {
         options.encoding = Charsets.UTF_8.name()
-        options.release.set(17)
+        options.release.set(21)
     }
     jar {
         manifest {
@@ -22,7 +22,7 @@ tasks {
 
 java{
     toolchain{
-        languageVersion.set(JavaLanguageVersion.of(17))
-        vendor.set(JvmVendorSpec.ADOPTIUM)
+        languageVersion.set(JavaLanguageVersion.of(21))
+        //vendor.set(JvmVendorSpec.ADOPTIUM)
     }
 }

build-logic/src/main/kotlin/miniplaceholders.kotlin.publish.gradle.kts

@@ -1,80 +0,0 @@
-plugins {
-    kotlin("jvm")
-    `java-library`
-    `maven-publish`
-    signing
-    id("org.jetbrains.dokka")
-}
-/*
-val dokkaHtmlJar = tasks.register<Jar>("dokkaHtmlJar") {
-    dependsOn(tasks.dokkaHtml)
-    from(tasks.dokkaHtml.flatMap { it.outputDirectory })
-    archiveClassifier.set("javadoc")
-}
-
-publishing {
-    publications {
-        create<MavenPublication>("maven") {
-            artifact(tasks["dokkaHtmlJar"])
-            repositories {
-                maven {
-                    credentials(PasswordCredentials::class)
-                    val central = "https://s01.oss.sonatype.org/service/local/staging/deploy/maven2/"
-                    val snapshots = "https://s01.oss.sonatype.org/content/repositories/snapshots/"
-
-                    if (project.version.toString().endsWith("SNAPSHOT")) {
-                        name = "SonatypeSnapshots"
-                        setUrl(snapshots)
-                    } else {
-                        name = "OSSRH"
-                        setUrl(central)
-                    }
-                }
-            }
-            from(components["java"])
-            pom {
-                url.set("https://github.com/MiniPlaceholders/MiniPlaceholders")
-                licenses {
-                    license {
-                        name.set("Apache License 2.0")
-                        url.set("https://opensource.org/license/apache-2-0/")
-                    }
-                }
-                scm {
-                    connection.set("scm:git:https://github.com/MiniPlaceholders/MiniPlaceholders.git")
-                    developerConnection.set("scm:git:ssh://git@github.com/MiniPlaceholders/MiniPlaceholders.git")
-                    url.set("https://github.com/MiniPlaceholders/MiniPlaceholders")
-                }
-                developers {
-                    developer {
-                        id.set("4drian3d")
-                        name.set("Adrian Gonzales")
-                        email.set("adriangonzalesval@gmail.com")
-                    }
-                }
-                issueManagement {
-                    name.set("GitHub")
-                    url.set("https://github.com/MiniPlaceholders/MiniPlaceholders/issues")
-                }
-                ciManagement {
-                    name.set("GitHub Actions")
-                    url.set("https://github.com/MiniPlaceholders/MiniPlaceholders/actions")
-                }
-                name.set(project.name)
-                description.set(project.description)
-                url.set("https://github.com/MiniPlaceholders/MiniPlaceholders")
-            }
-        }
-    }
-}
-
-signing {
-    useGpgCmd()
-    sign(configurations.archives.get())
-    sign(publishing.publications["maven"])
-    sign(tasks["dokkaHtmlJar"])
-}
-
-java {
-    withSourcesJar()
-}*/

build-logic/src/main/kotlin/miniplaceholders.publish.gradle.kts

@@ -1,71 +0,0 @@
-plugins {
-    `java-library`
-    `maven-publish`
-    signing
-}
-/*
-publishing {
-    publications {
-        create<MavenPublication>("maven") {
-            repositories {
-                maven {
-                    credentials(PasswordCredentials::class)
-                    val central = "https://s01.oss.sonatype.org/service/local/staging/deploy/maven2/"
-                    val snapshots = "https://s01.oss.sonatype.org/content/repositories/snapshots/"
-
-                    if (project.version.toString().endsWith("SNAPSHOT")) {
-                        name = "SonatypeSnapshots"
-                        setUrl(snapshots)
-                    } else {
-                        name = "OSSRH"
-                        setUrl(central)
-                    }
-                }
-            }
-            from(components["java"])
-            pom {
-                url.set("https://github.com/MiniPlaceholders/MiniPlaceholders")
-                licenses {
-                    license {
-                        name.set("Apache License 2.0")
-                        url.set("https://opensource.org/license/apache-2-0/")
-                    }
-                }
-                scm {
-                    connection.set("scm:git:https://github.com/MiniPlaceholders/MiniPlaceholders.git")
-                    developerConnection.set("scm:git:ssh://git@github.com/MiniPlaceholders/MiniPlaceholders.git")
-                    url.set("https://github.com/MiniPlaceholders/MiniPlaceholders")
-                }
-                developers {
-                    developer {
-                        id.set("4drian3d")
-                        name.set("Adrian Gonzales")
-                        email.set("adriangonzalesval@gmail.com")
-                    }
-                }
-                issueManagement {
-                    name.set("GitHub")
-                    url.set("https://github.com/MiniPlaceholders/MiniPlaceholders/issues")
-                }
-                ciManagement {
-                    name.set("GitHub Actions")
-                    url.set("https://github.com/MiniPlaceholders/MiniPlaceholders/actions")
-                }
-                name.set(project.name)
-                description.set(project.description)
-                url.set("https://github.com/MiniPlaceholders/MiniPlaceholders")
-            }
-        }
-    }
-}
-
-signing {
-    useGpgCmd()
-    sign(configurations.archives.get())
-    sign(publishing.publications["maven"])
-
-}*/
-
-java {
-    withSourcesJar()
-}

build-logic/src/main/kotlin/miniplaceholders.shadow.gradle.kts

@@ -1,6 +1,6 @@
 plugins {
     id("miniplaceholders.base")
-    id("com.github.johnrengelman.shadow")
+    id("com.gradleup.shadow")
 }
 
 tasks {
@@ -9,10 +9,10 @@ tasks {
         archiveClassifier.set("")
         duplicatesStrategy = DuplicatesStrategy.EXCLUDE
         relocate("net.william278.desertwell", "io.github.miniplaceholders.libs.desertwell")
-        relocate("cloud.commandframework", "io.github.miniplaceholders.libs.cloud")
-        if (project.simpleName() != "sponge") {
-            relocate("io.leangen.geantyref", "io.github.miniplaceholders.libs.geantyref")
-        }
+        relocate("org.incendo.cloud", "io.github.miniplaceholders.libs.cloud")
+//        if (project.simpleName() != "sponge") {
+//            relocate("io.leangen.geantyref", "io.github.miniplaceholders.libs.geantyref")
+//        }
         destinationDirectory.set(file("${project.rootDir}/jar"))
     }
     build {

build.gradle.kts

@@ -1,5 +1,5 @@
 plugins {
-    kotlin("jvm") version "1.9.22" apply false
+    kotlin("jvm") version "2.2.20" apply false
 }
 
 tasks {

common/build.gradle.kts

@@ -9,12 +9,11 @@ dependencies {
     implementation(libs.desertwell) {
         exclude("org.json")
     }
-    implementation(libs.cloud.core)
-    implementation(libs.cloud.extras) {
-        isTransitive = false
-    }
+    implementation(libs.unnamedinject)
     compileOnly(libs.adventure.api)
-    compileOnly(libs.adventure.minimesssage)
+    compileOnly(libs.adventure.minimessage)
+    compileOnly(libs.jspecify)
+    compileOnly(libs.brigadier)
 }
 
 sourceSets {

common/src/main/java/io/github/miniplaceholders/common/PlaceholdersCommand.java

@@ -1,198 +0,0 @@
-package io.github.miniplaceholders.common;
-
-import cloud.commandframework.ArgumentDescription;
-import cloud.commandframework.Command;
-import cloud.commandframework.CommandManager;
-import cloud.commandframework.arguments.CommandArgument;
-import cloud.commandframework.arguments.standard.StringArgument;
-import cloud.commandframework.minecraft.extras.AudienceProvider;
-import cloud.commandframework.minecraft.extras.MinecraftExceptionHandler;
-import io.github.miniplaceholders.api.MiniPlaceholders;
-import net.kyori.adventure.audience.Audience;
-import net.kyori.adventure.builder.AbstractBuilder;
-import net.kyori.adventure.permission.PermissionChecker;
-import net.kyori.adventure.text.Component;
-import net.kyori.adventure.text.format.TextColor;
-import net.kyori.adventure.text.minimessage.tag.resolver.Placeholder;
-import net.kyori.adventure.util.TriState;
-import net.william278.desertwell.about.AboutMenu;
-import net.william278.desertwell.util.Version;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.function.BiPredicate;
-import java.util.function.Function;
-import java.util.function.Supplier;
-
-import static java.util.Objects.requireNonNull;
-import static net.kyori.adventure.text.Component.newline;
-import static net.kyori.adventure.text.Component.text;
-import static net.kyori.adventure.text.format.NamedTextColor.RED;
-import static net.kyori.adventure.text.minimessage.MiniMessage.miniMessage;
-
-public final class PlaceholdersCommand<A extends Audience> {
-    private final Supplier<ArrayList<String>> playersSuggestions;
-    private final Function<String, Audience> toAudience;
-    private final BiPredicate<A, String> hasPermission;
-    private final String command;
-    private final CommandManager<A> commandManager;
-
-    private PlaceholdersCommand(
-            final Supplier<ArrayList<String>> playersSuggestions,
-            final Function<String, Audience> toAudience,
-            final BiPredicate<A, String> hasPermission,
-            final String command,
-            final CommandManager<A> commandManager
-    ) {
-        this.playersSuggestions = playersSuggestions;
-        this.toAudience = toAudience;
-        this.hasPermission = hasPermission;
-        this.command = command;
-        this.commandManager = commandManager;
-    }
-
-    private static final Component TITLE = miniMessage().deserialize("<gradient:#4d8bff:#a4ff96>MiniPlaceholders</gradient>");
-    private static final Component HELP = text()
-            .append(newline(), miniMessage().deserialize(
-                    "<gradient:aqua:white:aqua><st><b>             </st> <title> <st><b>             </st>", Placeholder.component("title", TITLE)))
-            .append(newline(), miniMessage().deserialize(
-                    "<gradient:#9694ff:#5269ff>Commands:</gradient>"))
-            .append(newline(), miniMessage().deserialize(
-                    "<gradient:aqua:#94d1ff>/miniplaceholders</gradient> <aqua>help</aqua>"))
-            .append(newline(), miniMessage().deserialize(
-                    "<gradient:aqua:#94d1ff>/miniplaceholders</gradient> <aqua>parse</aqua> <#8fadff><player | me></#8fadff> <#99ffb6><player></#99ffb6>"))
-            .append(newline(), miniMessage().deserialize(
-                    "<gradient:aqua:white:aqua><st><b>                                                 "))
-            .build();
-
-    private static final Component INFO = AboutMenu.builder()
-            .title(TITLE)
-            .description(text("MiniMessage Component-based Placeholders for Paper, Folia, Fabric, Velocity, Sponge and Krypton platforms"))
-            .credits("Author", AboutMenu.Credit.of("4drian3d").url("https://github.com/4drian3d"))
-            .credits("Contributors", AboutMenu.Credit.of("Sliman4"))
-            .buttons(
-                    AboutMenu.Link.of("https://github.com/MiniPlaceholders/MiniPlaceholders/wiki/User-Getting-Started").text("Documentation").icon("⛏"),
-                    AboutMenu.Link.of("https://discord.gg/5NMMzK5mAn").text("Discord").color(TextColor.color(0x7289da)).icon("⭐"),
-                    AboutMenu.Link.of("https://modrinth.com/plugin/miniplaceholders").text("Downloads").color(TextColor.color(0xff496e)).icon("↓")
-            ).version(Version.fromString(PluginConstants.VERSION))
-            .build()
-            .toComponent();
-
-    private Command.Builder<A> rootBuilder() {
-        return commandManager.commandBuilder(command);
-    }
-
-    public void register() {
-        new MinecraftExceptionHandler<A>()
-                .withDefaultHandlers()
-                .withDecorator(component -> Component.text().append(TITLE).appendSpace().append(component).build())
-                .apply(commandManager, AudienceProvider.nativeAudience());
-
-        commandManager.command(rootBuilder()
-                .permission(src -> {
-                    if (hasPermission != null) {
-                        return hasPermission.test(src, "miniplaceholders.command");
-                    }
-                    return src
-                            .get(PermissionChecker.POINTER)
-                            .map(checker -> checker.value("miniplaceholders.command"))
-                            .orElse(TriState.FALSE) != TriState.FALSE;
-                })
-                .handler(handler -> handler.getSender().sendMessage(INFO)));
-        final CommandArgument<A, String> sourceArgument = StringArgument.<A>builder("source")
-                .single()
-                .withDefaultDescription(ArgumentDescription.of("The source from which the message will be parsed"))
-                .withSuggestionsProvider((ctx, st) -> {
-                    final List<String> suggestions = playersSuggestions.get();
-                    suggestions.add("me");
-                    return suggestions;
-                })
-                .build();
-        final CommandArgument<A, String> stringArgument = StringArgument.<A>builder("message")
-                .greedy()
-                .withDefaultDescription(ArgumentDescription.of("Message to be parsed"))
-                .build();
-
-        commandManager.command(
-                rootBuilder().literal("parse")
-                        .argument(sourceArgument)
-                        .argument(stringArgument)
-                        .permission("miniplaceholders.command.parse")
-                        .handler(handler -> {
-                            final String source = handler.get(sourceArgument);
-
-                            final Audience objective = "me".equals(source)
-                                    ? handler.getSender()
-                                    : toAudience.apply(source);
-                            if (objective == null){
-                                handler.getSender().sendMessage(text("You must specify a valid player", RED));
-                                return;
-                            }
-                            final String toParse = handler.get(stringArgument);
-
-                            final Component parsed = miniMessage().deserialize(
-                                    toParse,
-                                    MiniPlaceholders.getAudienceGlobalPlaceholders(objective)
-                            );
-                            handler.getSender().sendMessage(parsed);
-                        })
-        );
-        commandManager.command(
-                rootBuilder().literal("help")
-                        .permission("miniplaceholders.command.help")
-                        .handler(handler -> handler.getSender().sendMessage(HELP))
-        );
-    }
-
-    public static <A extends Audience> Builder<A> builder() {
-        return new Builder<>();
-    }
-
-    public final static class Builder<A extends Audience> implements AbstractBuilder<PlaceholdersCommand<A>> {
-        private Supplier<ArrayList<String>> playersSuggestions;
-        private Function<String, Audience> toAudience;
-        private BiPredicate<A, String> hasPermission;
-        private String command;
-        private CommandManager<A> commandManager;
-
-        private Builder() {}
-
-        public Builder<A> playerSuggestions(final Supplier<@NotNull ArrayList<@NotNull String>> playersSuggestions) {
-            this.playersSuggestions = playersSuggestions;
-            return this;
-        }
-
-        public Builder<A> toAudience(final @NotNull Function<@NotNull String, @Nullable Audience> argumentToAudience) {
-            this.toAudience = argumentToAudience;
-            return this;
-        }
-
-        public Builder<A> hasPermissionCheck(final @NotNull BiPredicate<@NotNull A, @NotNull String> hasPermission) {
-            this.hasPermission = hasPermission;
-            return this;
-        }
-
-        public Builder<A> command(final String command) {
-            this.command = command;
-            return this;
-        }
-
-        public Builder<A> manager(CommandManager<A> commandManager) {
-            this.commandManager = commandManager;
-            return this;
-        }
-
-        @Override
-        public @NotNull PlaceholdersCommand<A> build() {
-            return new PlaceholdersCommand<>(
-                    requireNonNull(playersSuggestions),
-                    requireNonNull(toAudience),
-                    hasPermission,
-                    command,
-                    commandManager
-            );
-        }
-    }
-}

common/src/main/java/io/github/miniplaceholders/common/PlaceholdersPlugin.java

@@ -1,7 +1,135 @@
 package io.github.miniplaceholders.common;
 
-public interface PlaceholdersPlugin {
-    void loadDefaultExpansions();
+import io.github.miniplaceholders.api.Expansion;
+import io.github.miniplaceholders.api.MiniPlaceholders;
+import io.github.miniplaceholders.api.provider.ExpansionProvider;
+import io.github.miniplaceholders.api.provider.LoadRequirement;
+import io.github.miniplaceholders.api.provider.PlatformData;
+import io.github.miniplaceholders.api.types.Platform;
+import io.github.miniplaceholders.common.loader.ExpansionProviderLoader;
+import io.github.miniplaceholders.common.loader.FailedToLoadExpansion;
+import io.github.miniplaceholders.common.loader.ProviderLoadResult;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.TextComponent;
+import net.kyori.adventure.text.format.NamedTextColor;
+import net.kyori.adventure.text.format.TextColor;
+import team.unnamed.inject.Injector;
 
-    void registerPlatformCommand();
+import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.List;
+
+public interface PlaceholdersPlugin {
+  default void registerPlatformCommand() {
+  }
+
+  default void loadProvidedExpansions(Path providersFolderDirectory) throws Exception {
+    final List<Expansion> loadedExpansions = new ArrayList<>();
+    final PlatformData platformData = new PlatformData(this.platformServerInstance(), this);
+    final Injector injector = Injector.create(binder -> binder.bind(PlatformData.class).toInstance(platformData));
+    for (ExpansionProvider provider : ExpansionProviderLoader.loadProvidersFromFolder(providersFolderDirectory)) {
+      injector.injectMembers(provider);
+      ProviderLoadResult loadResult = tryLoad(provider, provider.loadRequirement());
+      final ExpansionProvider loadedProvider = loadResult.provider();
+      if (loadedProvider != null) {
+        final Expansion loadedExpansion = loadedProvider.provideExpansion();
+        loadedExpansions.add(loadedExpansion);
+        loadedExpansion.register();
+        continue;
+      }
+      final FailedToLoadExpansion failedToLoad = loadResult.failed();
+      logError(Component.text("The expansion "
+              + provider.getClass() +
+              " could not be loaded because the requirement " + failedToLoad.requirement() + " could not be resolved",
+          NamedTextColor.RED));
+    }
+
+    if (loadedExpansions.isEmpty()) {
+      logInfo(Component.text("Not found expansions", NamedTextColor.GRAY));
+      return;
+    }
+
+    final Component expansionsInfo = loadedExpansions.stream()
+        .map(this::expansionInfo)
+        .collect(Component.toComponent(Component.text(", ", NamedTextColor.WHITE)));
+    logInfo(Component.text("Loaded expansions: ", NamedTextColor.GREEN).append(expansionsInfo));
+  }
+
+  private Component expansionInfo(Expansion expansion) {
+    final TextComponent.Builder builder = Component.text();
+    builder.append(Component.text(expansion.name(), NamedTextColor.AQUA));
+    final String author = expansion.author();
+    final String version = expansion.version();
+    if (author == null && version == null) {
+      return builder.build();
+    }
+    builder.append(Component.text('[', NamedTextColor.DARK_GRAY));
+    if (author != null) {
+      builder.append(
+          Component.text("Author", NamedTextColor.GRAY),
+          Component.text(':', NamedTextColor.WHITE),
+          Component.space(),
+          Component.text(author, TextColor.color(0xd4ff54))
+      );
+    }
+    if (version != null) {
+      if (author != null) {
+        builder.append(Component.text(", ", NamedTextColor.WHITE));
+      }
+      builder.append(
+          Component.text("Version", NamedTextColor.GRAY),
+          Component.text(':', NamedTextColor.WHITE),
+          Component.space(),
+          Component.text(version, TextColor.color(0xd4ff54))
+      );
+    }
+    builder.append(Component.text(']', NamedTextColor.DARK_GRAY));
+    return builder.build();
+  }
+
+  default ProviderLoadResult tryLoad(final ExpansionProvider provider, final LoadRequirement loadRequirement) {
+    return switch (loadRequirement) {
+      case LoadRequirement.PlatformRequirement platformRequirement -> {
+        for (final Platform supportedPlatform : platformRequirement.platforms()) {
+          if (supportedPlatform == MiniPlaceholders.platform()) {
+            yield ProviderLoadResult.ofLoaded(provider);
+          }
+        }
+        yield ProviderLoadResult.ofFailed(platformRequirement);
+      }
+      case LoadRequirement.AvailableComplementRequirement complementRequirement ->
+          complementRequirement.shouldLoad(this::platformHasComplementLoaded)
+              ? ProviderLoadResult.ofLoaded(provider)
+              : ProviderLoadResult.ofFailed(complementRequirement);
+      case LoadRequirement.MultiLoadRequirement multiLoadRequirement -> {
+        ProviderLoadResult loadResult;
+        for (final LoadRequirement requirement : multiLoadRequirement.requirements()) {
+          if ((loadResult = this.tryLoad(provider, requirement)).failed() != null) {
+            yield loadResult;
+          }
+        }
+        yield ProviderLoadResult.ofLoaded(provider);
+      }
+      case LoadRequirement.ClassRequirement classRequirement -> classRequirement.shouldLoad()
+          ? ProviderLoadResult.ofLoaded(provider) : ProviderLoadResult.ofFailed(classRequirement);
+      case LoadRequirement.AnyOfRequirement anyOfRequirement -> {
+        ProviderLoadResult loadResult;
+        for (final LoadRequirement requirement : anyOfRequirement.requirements()) {
+          if ((loadResult = this.tryLoad(provider, requirement)).provider() != null) {
+            yield loadResult;
+          }
+        }
+        yield ProviderLoadResult.ofFailed(anyOfRequirement);
+      }
+      case LoadRequirement.NoneLoadRequirement ignored -> ProviderLoadResult.ofLoaded(provider);
+    };
+  }
+
+  boolean platformHasComplementLoaded(String complementName);
+
+  void logError(Component component);
+
+  void logInfo(Component component);
+
+  Object platformServerInstance();
 }

common/src/main/java/io/github/miniplaceholders/common/command/AudienceConverter.java

@@ -0,0 +1,10 @@
+package io.github.miniplaceholders.common.command;
+
+import net.kyori.adventure.audience.Audience;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+@FunctionalInterface
+public interface AudienceConverter {
+  @Nullable Audience convert(@NotNull String string);
+}

common/src/main/java/io/github/miniplaceholders/common/command/AudienceExtractor.java

@@ -0,0 +1,10 @@
+package io.github.miniplaceholders.common.command;
+
+import net.kyori.adventure.audience.Audience;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+@FunctionalInterface
+public interface AudienceExtractor<S> {
+  Audience extract(S source);
+}

common/src/main/java/io/github/miniplaceholders/common/command/CommandConstants.java

@@ -0,0 +1,104 @@
+package io.github.miniplaceholders.common.command;
+
+import com.google.common.base.Suppliers;
+import io.github.miniplaceholders.api.MiniPlaceholders;
+import io.github.miniplaceholders.api.types.Platform;
+import io.github.miniplaceholders.common.PluginConstants;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.event.ClickEvent;
+import net.kyori.adventure.text.format.TextColor;
+import net.kyori.adventure.text.minimessage.tag.resolver.Placeholder;
+import net.william278.desertwell.about.AboutMenu;
+import net.william278.desertwell.util.Version;
+
+import java.util.function.Supplier;
+
+import static net.kyori.adventure.text.Component.newline;
+import static net.kyori.adventure.text.Component.text;
+import static net.kyori.adventure.text.minimessage.MiniMessage.miniMessage;
+
+public final class CommandConstants {
+  // Global
+  public static final Component TITLE = miniMessage().deserialize("<b><gradient:#4d8bff:#a4ff96>MiniPlaceholders</b>");
+  public static final Component HEADER = miniMessage().deserialize(
+      """
+          <gradient:aqua:white:aqua><st><b>               </st> \
+          <title> \
+          <st><b>               </st>""", Placeholder.component("title", TITLE));
+  public static final Component FOOTER = miniMessage().deserialize(
+      "<gradient:aqua:white:aqua><st><b>                                                   ");
+
+  // -- /miniplaceholders --
+  public static final Component INFO = AboutMenu.builder()
+      .title(TITLE)
+      .description(text("MiniMessage Component-based Placeholders API"))
+      .credits("Author", AboutMenu.Credit.of("4drian3d").url("https://github.com/4drian3d"))
+      .credits("Contributors",
+          AboutMenu.Credit.of("Sliman4"),
+          AboutMenu.Credit.of("Stampede2011"),
+          AboutMenu.Credit.of("powercasgamer"),
+          AboutMenu.Credit.of("fabianmakila"),
+          AboutMenu.Credit.of("Willsr71")
+      )
+      .buttons(
+          AboutMenu.Link.of("https://miniplaceholders.github.io/docs/category/user-guide").text("Documentation").icon("⛏"),
+          AboutMenu.Link.of("https://discord.gg/5NMMzK5mAn").text("Discord").color(TextColor.color(0x7289da)).icon("⭐"),
+          AboutMenu.Link.of("https://modrinth.com/plugin/miniplaceholders").text("Downloads").color(TextColor.color(0xff496e)).icon("↓")
+      ).version(Version.fromString(PluginConstants.VERSION))
+      .build()
+      .toComponent();
+
+  // -- /miniplaceholders help --
+  public static final Supplier<Component> HELP = Suppliers.memoize(() -> {
+    final Platform platform = MiniPlaceholders.platform();
+    final String command = platform == Platform.VELOCITY ? "/vminiplaceholders" : "/miniplaceholders";
+    return text()
+        .append(newline(), HEADER)
+        .append(newline(), miniMessage().deserialize(
+            "<gradient:#9694ff:#5269ff>Commands:</gradient>")
+        )
+        .append(newline(), miniMessage().deserialize(
+            "<gradient:aqua:#94d1ff>" + command + "</gradient> <aqua>help</aqua>")
+            .clickEvent(ClickEvent.runCommand(command + " help"))
+        )
+        .append(newline(), miniMessage().deserialize(
+            """
+                <gradient:aqua:#94d1ff>%s</gradient> \
+                <aqua>parse</aqua> \
+                <#8fadff><player | me | --null></#8fadff> \
+                <#99ffb6><message></#99ffb6>""".formatted(command))
+            .clickEvent(ClickEvent.suggestCommand(command + " parse "))
+        )
+        .append(newline(), miniMessage().deserialize(
+            """
+                <gradient:aqua:#94d1ff>%s</gradient> \
+                <aqua>parserel</aqua> \
+                <#8fadff><player | me></#8fadff> \
+                <#8fadff><relational player | me></#8fadff> \
+                <#99ffb6><message></#99ffb6>""".formatted(command))
+            .clickEvent(ClickEvent.suggestCommand(command + " parserel "))
+        )
+        .append(newline(), miniMessage().deserialize(
+            "<gradient:aqua:#94d1ff>" + command + "</gradient> <aqua>expansions</aqua>")
+            .clickEvent(ClickEvent.runCommand(command + " help"))
+        )
+        .append(newline(), FOOTER)
+        .build();
+  });
+
+  // -- /miniplaceholders expansions --
+  public static final Component EXPANSIONS_TITLE = miniMessage().deserialize(
+      """
+          <br><gradient:aqua:white:aqua><st><b>         </st> \
+          <title> Expansions <st><b>         \
+          </gradient><br>""", Placeholder.component("title", TITLE)
+  );
+
+  public static final Supplier<Component> NON_INSTALLED_EXPANSIONS = Suppliers.memoize(() -> miniMessage().deserialize(
+      """
+          <aqua>It seems that you don't have any <#a1ff4a>Expansion</#a1ff4a> installed yet,
+          You can find the <#a1ff4a>Expansion</#a1ff4a> you want here <br>\
+          <blue><click:open_url:"https://miniplaceholders.github.io/docs/user-guide/Placeholders">\
+          <hover:show_text:"<gold>Search Expansions">[MiniPlaceholders Expansions]</blue>""")
+  );
+}

common/src/main/java/io/github/miniplaceholders/common/command/PermissionTester.java

@@ -0,0 +1,11 @@
+package io.github.miniplaceholders.common.command;
+
+import net.kyori.adventure.audience.Audience;
+import net.kyori.adventure.util.TriState;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+@FunctionalInterface
+public interface PermissionTester {
+  TriState permissionValue(Audience audience, String permission);
+}

common/src/main/java/io/github/miniplaceholders/common/command/PlaceholderCommandExecutor.java

@@ -0,0 +1,9 @@
+package io.github.miniplaceholders.common.command;
+
+import net.kyori.adventure.audience.Audience;
+import org.jspecify.annotations.NonNull;
+
+@FunctionalInterface
+public interface PlaceholderCommandExecutor {
+  void execute(@NonNull Audience audience);
+}

common/src/main/java/io/github/miniplaceholders/common/command/PlayersNameProvider.java

@@ -0,0 +1,10 @@
+package io.github.miniplaceholders.common.command;
+
+import org.jspecify.annotations.NonNull;
+
+import java.util.ArrayList;
+
+@FunctionalInterface
+public interface PlayersNameProvider {
+  @NonNull ArrayList<String> provide();
+}

common/src/main/java/io/github/miniplaceholders/common/command/brigadier/BrigadierCommandProvider.java

@@ -0,0 +1,97 @@
+package io.github.miniplaceholders.common.command.brigadier;
+
+import com.mojang.brigadier.Command;
+import com.mojang.brigadier.arguments.StringArgumentType;
+import com.mojang.brigadier.builder.LiteralArgumentBuilder;
+import com.mojang.brigadier.builder.RequiredArgumentBuilder;
+import com.mojang.brigadier.context.CommandContext;
+import com.mojang.brigadier.tree.LiteralCommandNode;
+import io.github.miniplaceholders.common.command.*;
+import io.github.miniplaceholders.common.command.node.*;
+import net.kyori.adventure.audience.Audience;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public final class BrigadierCommandProvider {
+  public static <A> LiteralCommandNode<A> provideCommand(
+      final String command,
+      final PlayersNameProvider playersSuggestions,
+      final AudienceConverter audienceConverter,
+      final AudienceExtractor<A> audienceExtractor,
+      final PermissionTester permissionChecker
+  ) {
+    // Inspired by MiniMotd command implementation (MIT licenced)
+    class WrappingExecutor implements Command<A> {
+      private final PlaceholderCommandExecutor executor;
+
+      private WrappingExecutor(final PlaceholderCommandExecutor executor) {
+        this.executor = executor;
+      }
+
+      @Override
+      public int run(final CommandContext<A> commandContext) {
+        executor.execute(audienceExtractor.extract(commandContext.getSource()));
+        return Command.SINGLE_SUCCESS;
+      }
+    }
+
+    // Command Nodes
+    final RootNode rootNode = new RootNode(permissionChecker);
+    final ExpansionsNode expansionsNode = new ExpansionsNode(permissionChecker);
+    final HelpNode helpNode = new HelpNode(permissionChecker);
+    final ParseNode parseNode = new ParseNode(playersSuggestions, audienceConverter, permissionChecker);
+    final ParseRelNode parseRelNode = new ParseRelNode(playersSuggestions, audienceConverter, permissionChecker);
+
+    return LiteralArgumentBuilder.<A>literal(command)
+        .requires(src -> rootNode.hasPermission(audienceExtractor.extract(src)))
+        .executes(new WrappingExecutor(rootNode::execute))
+        .then(LiteralArgumentBuilder.<A>literal("expansions")
+            .requires(src -> expansionsNode.hasPermission(audienceExtractor.extract(src)))
+            .executes(new WrappingExecutor(expansionsNode::showExpansions))
+            .build()
+        )
+        .then(LiteralArgumentBuilder.<A>literal("help")
+            .executes(new WrappingExecutor(helpNode::execute))
+            .requires(src -> helpNode.hasPermission(audienceExtractor.extract(src)))
+        )
+        .then(LiteralArgumentBuilder.<A>literal("parse")
+            .requires(src -> parseNode.hasPermission(audienceExtractor.extract(src)))
+            .then(RequiredArgumentBuilder.<A, String>argument("source", StringArgumentType.word())
+                .suggests(new BrigadierSuggestionProvider<>(parseNode))
+                .then(RequiredArgumentBuilder.<A, String>argument("message", StringArgumentType.greedyString())
+                    .executes(ctx -> {
+                      final Audience audience = audienceExtractor.extract(ctx.getSource());
+                      final String source = StringArgumentType.getString(ctx, "source");
+                      final String message = StringArgumentType.getString(ctx, "message");
+
+                      parseNode.parseString(audience, source, message);
+
+                      return Command.SINGLE_SUCCESS;
+                    })
+                )
+            )
+        )
+        .then(LiteralArgumentBuilder.<A>literal("parserel")
+            .requires(src -> parseRelNode.hasPermission(audienceExtractor.extract(src)))
+            .then(RequiredArgumentBuilder.<A, String>argument("source", StringArgumentType.word())
+                .suggests(new BrigadierSuggestionProvider<>(parseRelNode))
+                .then(RequiredArgumentBuilder.<A, String>argument("relational", StringArgumentType.word())
+                    .suggests(new BrigadierSuggestionProvider<>(parseRelNode))
+                    .then(RequiredArgumentBuilder.<A, String>argument("message", StringArgumentType.greedyString())
+                        .executes(ctx -> {
+                          final Audience audience = audienceExtractor.extract(ctx.getSource());
+                          final String source = StringArgumentType.getString(ctx, "source");
+                          final String relational = StringArgumentType.getString(ctx, "source");
+                          final String message = StringArgumentType.getString(ctx, "message");
+
+                          parseRelNode.parseString(audience, source, relational, message);
+
+                          return Command.SINGLE_SUCCESS;
+                        })
+                    )
+                )
+            )
+        )
+        .build();
+  }
+}

common/src/main/java/io/github/miniplaceholders/common/command/brigadier/BrigadierSuggestionProvider.java

@@ -0,0 +1,19 @@
+package io.github.miniplaceholders.common.command.brigadier;
+
+import com.mojang.brigadier.context.CommandContext;
+import com.mojang.brigadier.suggestion.SuggestionProvider;
+import com.mojang.brigadier.suggestion.Suggestions;
+import com.mojang.brigadier.suggestion.SuggestionsBuilder;
+import io.github.miniplaceholders.common.command.node.PlayerCompleterNode;
+import org.jspecify.annotations.NullMarked;
+
+import java.util.concurrent.CompletableFuture;
+
+@NullMarked
+public record BrigadierSuggestionProvider<A>(PlayerCompleterNode playerSuggestions) implements SuggestionProvider<A> {
+  @Override
+  public CompletableFuture<Suggestions> getSuggestions(final CommandContext<A> context, final SuggestionsBuilder builder) {
+    this.playerSuggestions.providePlayerSuggestions().forEach(builder::suggest);
+    return builder.buildFuture();
+  }
+}

common/src/main/java/io/github/miniplaceholders/common/command/node/ExpansionsNode.java

@@ -0,0 +1,65 @@
+package io.github.miniplaceholders.common.command.node;
+
+import io.github.miniplaceholders.api.Expansion;
+import io.github.miniplaceholders.api.MiniPlaceholders;
+import io.github.miniplaceholders.common.command.PermissionTester;
+import net.kyori.adventure.audience.Audience;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.TextComponent;
+import net.kyori.adventure.text.format.NamedTextColor;
+import net.kyori.adventure.text.format.TextColor;
+import org.jspecify.annotations.NullMarked;
+
+import java.util.Collection;
+
+import static io.github.miniplaceholders.common.command.CommandConstants.*;
+
+@NullMarked
+public record ExpansionsNode(PermissionTester permissionTester) implements Node {
+  public void showExpansions(final Audience audience) {
+    final TextComponent.Builder builder = Component.text()
+        .append(EXPANSIONS_TITLE);
+    final Collection<Expansion> expansions = MiniPlaceholders.expansionsAvailable();
+    if (expansions.isEmpty()) {
+      // In virtually all installations, there will always be some expansion installed,
+      // so there is no need to cache this component in that case
+      builder.append(NON_INSTALLED_EXPANSIONS.get());
+    } else {
+      builder.append(expansions.stream()
+          .map(expansion -> {
+            final TextComponent.Builder expansionMetaBuilder = Component.text();
+            final String expansionName = expansion.name();
+            final String expansionAuthor = expansion.author();
+            final String expansionVersion = expansion.version();
+
+            expansionMetaBuilder.append(Component.text(expansionName, NamedTextColor.GRAY));
+            if (expansionAuthor != null) {
+              expansionMetaBuilder.appendNewline()
+                  .append(Component.text("Author: ", TextColor.color(0x29fbff)))
+                  .append(Component.text(expansionAuthor, NamedTextColor.GRAY));
+            }
+            if (expansionVersion != null) {
+              expansionMetaBuilder.appendNewline()
+                  .append(Component.text("Version: ", TextColor.color(0xff7b61)))
+                  .append(Component.text(expansionVersion, NamedTextColor.GRAY));
+            }
+            return Component.text()
+                .content(expansion.name())
+                .hoverEvent(expansionMetaBuilder.build())
+                .build();
+          }).collect(Component.toComponent(Component.text(" | ", NamedTextColor.DARK_GRAY))));
+    }
+    builder.appendNewline().append(FOOTER);
+    audience.sendMessage(builder.build());
+  }
+
+  @Override
+  public boolean hasPermission(Audience audience) {
+    return permissionTester.permissionValue(audience, permission()).toBooleanOrElse(false);
+  }
+
+  @Override
+  public String permission() {
+    return "miniplaceholders.command.expansions";
+  }
+}

common/src/main/java/io/github/miniplaceholders/common/command/node/HelpNode.java

@@ -0,0 +1,24 @@
+package io.github.miniplaceholders.common.command.node;
+
+import io.github.miniplaceholders.common.command.PermissionTester;
+import net.kyori.adventure.audience.Audience;
+import org.jspecify.annotations.NullMarked;
+
+import static io.github.miniplaceholders.common.command.CommandConstants.HELP;
+
+@NullMarked
+public record HelpNode(PermissionTester permissionChecker) implements Node {
+  public void execute(final Audience audience) {
+    audience.sendMessage(HELP.get());
+  }
+
+  @Override
+  public boolean hasPermission(Audience audience) {
+    return permissionChecker.permissionValue(audience, permission()).toBooleanOrElse(false);
+  }
+
+  @Override
+  public String permission() {
+    return "miniplaceholders.command.help";
+  }
+}

common/src/main/java/io/github/miniplaceholders/common/command/node/Node.java

@@ -0,0 +1,11 @@
+package io.github.miniplaceholders.common.command.node;
+
+import net.kyori.adventure.audience.Audience;
+import org.jspecify.annotations.NullMarked;
+
+@NullMarked
+public sealed interface Node permits ExpansionsNode, HelpNode, ParseNode, ParseRelNode, RootNode {
+  boolean hasPermission(Audience audience);
+
+  String permission();
+}

common/src/main/java/io/github/miniplaceholders/common/command/node/ParseNode.java

@@ -0,0 +1,59 @@
+package io.github.miniplaceholders.common.command.node;
+
+import io.github.miniplaceholders.api.MiniPlaceholders;
+import io.github.miniplaceholders.common.command.AudienceConverter;
+import io.github.miniplaceholders.common.command.PermissionTester;
+import io.github.miniplaceholders.common.command.PlayersNameProvider;
+import net.kyori.adventure.audience.Audience;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.minimessage.tag.resolver.TagResolver;
+import org.jspecify.annotations.NullMarked;
+
+import java.util.List;
+
+import static net.kyori.adventure.text.Component.text;
+import static net.kyori.adventure.text.format.NamedTextColor.RED;
+import static net.kyori.adventure.text.minimessage.MiniMessage.miniMessage;
+
+@NullMarked
+public record ParseNode(
+        PlayersNameProvider playersNameProvider,
+        AudienceConverter audienceConverter,
+        PermissionTester permissionChecker
+) implements Node, PlayerCompleterNode {
+  public void parseString(final Audience sender, final String providedSource, final String providedString) {
+    final Audience source = switch (providedSource) {
+      case "me" -> sender;
+      case "--null" -> Audience.empty();
+      default -> audienceConverter.convert(providedSource);
+    };
+    if (source == null) {
+      sender.sendMessage(text("You must specify a valid player", RED));
+      return;
+    }
+
+    final TagResolver resolver = source == Audience.empty()
+        ? MiniPlaceholders.globalPlaceholders()
+        : MiniPlaceholders.audienceGlobalPlaceholders();
+
+    final Component parsed = miniMessage().deserialize(providedString, source, resolver);
+    sender.sendMessage(parsed);
+  }
+
+  @Override
+  public boolean hasPermission(final Audience audience) {
+    return permissionChecker.permissionValue(audience, permission()).toBooleanOrElse(false);
+  }
+
+  @Override
+  public String permission() {
+    return "miniplaceholders.command.parse";
+  }
+
+  @Override
+  public List<String> providePlayerSuggestions() {
+    final List<String> suggestions = PlayerCompleterNode.super.providePlayerSuggestions();
+    suggestions.add("--null");
+    return suggestions;
+  }
+}

common/src/main/java/io/github/miniplaceholders/common/command/node/ParseRelNode.java

@@ -0,0 +1,59 @@
+package io.github.miniplaceholders.common.command.node;
+
+import io.github.miniplaceholders.api.MiniPlaceholders;
+import io.github.miniplaceholders.api.types.RelationalAudience;
+import io.github.miniplaceholders.common.command.AudienceConverter;
+import io.github.miniplaceholders.common.command.PermissionTester;
+import io.github.miniplaceholders.common.command.PlayersNameProvider;
+import net.kyori.adventure.audience.Audience;
+import net.kyori.adventure.text.Component;
+import org.jspecify.annotations.NullMarked;
+
+import static net.kyori.adventure.text.Component.text;
+import static net.kyori.adventure.text.format.NamedTextColor.RED;
+import static net.kyori.adventure.text.minimessage.MiniMessage.miniMessage;
+
+@NullMarked
+public record ParseRelNode(
+    PlayersNameProvider playersNameProvider,
+    AudienceConverter audienceConverter,
+    PermissionTester permissionChecker
+) implements Node, PlayerCompleterNode {
+
+  public void parseString(final Audience sender, final String source, final String relational, final String toParse) {
+    final Audience senderTarget = "me".equals(source)
+        ? sender
+        : audienceConverter.convert(source);
+    if (senderTarget == null) {
+      sender.sendMessage(text("You must specify a valid player", RED));
+      return;
+    }
+
+    final Audience relationalTarget = "me".equals(relational)
+        ? sender
+        : audienceConverter.convert(relational);
+    if (relationalTarget == null) {
+      sender.sendMessage(text("You must specify a valid relational player", RED));
+      return;
+    }
+
+    final RelationalAudience<Audience> relationalAudience = RelationalAudience.from(senderTarget, relationalTarget);
+
+    final Component parsed = miniMessage().deserialize(
+        toParse,
+        relationalAudience,
+        MiniPlaceholders.relationalGlobalPlaceholders()
+    );
+    sender.sendMessage(parsed);
+  }
+
+  @Override
+  public boolean hasPermission(Audience audience) {
+    return permissionChecker.permissionValue(audience, permission()).toBooleanOrElse(false);
+  }
+
+  @Override
+  public String permission() {
+    return "miniplaceholders.command.parse";
+  }
+}

common/src/main/java/io/github/miniplaceholders/common/command/node/PlayerCompleterNode.java

@@ -0,0 +1,15 @@
+package io.github.miniplaceholders.common.command.node;
+
+import io.github.miniplaceholders.common.command.PlayersNameProvider;
+
+import java.util.List;
+
+public interface PlayerCompleterNode {
+  default List<String> providePlayerSuggestions() {
+    final List<String> suggestions = playersNameProvider().provide();
+    suggestions.add("me");
+    return suggestions;
+  }
+
+  PlayersNameProvider playersNameProvider();
+}

common/src/main/java/io/github/miniplaceholders/common/command/node/RootNode.java

@@ -0,0 +1,26 @@
+package io.github.miniplaceholders.common.command.node;
+
+import io.github.miniplaceholders.common.command.PermissionTester;
+import net.kyori.adventure.audience.Audience;
+import net.kyori.adventure.util.TriState;
+import org.jspecify.annotations.NullMarked;
+
+import static io.github.miniplaceholders.common.command.CommandConstants.INFO;
+
+@NullMarked
+public record RootNode(PermissionTester permissionChecker) implements Node {
+
+  public void execute(Audience audience) {
+    audience.sendMessage(INFO);
+  }
+
+  @Override
+  public boolean hasPermission(Audience audience) {
+    return permissionChecker.permissionValue(audience, permission()) != TriState.FALSE;
+  }
+
+  @Override
+  public String permission() {
+    return "miniplaceholders.command";
+  }
+}

common/src/main/java/io/github/miniplaceholders/common/loader/ExpansionProviderLoader.java

@@ -0,0 +1,99 @@
+package io.github.miniplaceholders.common.loader;
+
+import io.github.miniplaceholders.api.provider.ExpansionProvider;
+import org.jspecify.annotations.NullMarked;
+
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.Reader;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.nio.file.DirectoryStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+import java.util.Properties;
+import java.util.jar.JarEntry;
+import java.util.jar.JarInputStream;
+
+@NullMarked
+public final class ExpansionProviderLoader {
+
+  public static List<ExpansionProvider> loadProvidersFromFolder(final Path folferPath) throws Exception {
+    if (Files.notExists(folferPath)) {
+      try {
+        Files.createDirectories(folferPath);
+      } catch (IOException e) {
+        throw new RuntimeException("Unable to create expansions directory", e);
+      }
+      return List.of();
+    }
+    try (final DirectoryStream<Path> stream = Files.newDirectoryStream(folferPath,
+            filtered -> Files.isRegularFile(filtered) && filtered.toString().endsWith(".jar"))) {
+      final List<ExpansionProvider> providerList = new ArrayList<>();
+      for (final Path possibleProviderPath : stream) {
+        loadPossibleProviderFromPath(possibleProviderPath, providerList);
+      }
+      return providerList;
+    }
+  }
+
+  private static void loadPossibleProviderFromPath(
+          final Path filePath,
+          final List<ExpansionProvider> providers
+  ) throws Exception {
+    String mainClassName = null;
+    try (final JarInputStream jarStream = new JarInputStream(Files.newInputStream(filePath))) {
+      JarEntry actualEntry;
+      while ((actualEntry = jarStream.getNextJarEntry()) != null) {
+        final String entryName = actualEntry.getName();
+        if (!Objects.equals(entryName, "expansion-provider.properties")) {
+          continue;
+        }
+        try (final Reader reader = new InputStreamReader(jarStream)) {
+          Properties properties = new Properties();
+          properties.load(reader);
+          mainClassName = properties.getProperty("provider-class");
+          break;
+        } catch (IOException e) {
+          throw new IOException(
+                  "Unable to read expansion_provider.properties from " + filePath + "file",
+                  e);
+        }
+      }
+    }
+
+    if (mainClassName == null) {
+      return;
+    }
+
+    loadFoundProvider(mainClassName, providers, filePath);
+  }
+
+  private static void loadFoundProvider(
+          final String providerClass,
+          final List<ExpansionProvider> providers,
+          final Path providerPath
+  ) throws Exception {
+    //noinspection resource
+    final URLClassLoader classLoader = new URLClassLoader(new URL[] {
+            providerPath.toUri().toURL(),
+    }, ExpansionProviderLoader.class.getClassLoader());
+    Class<?> mainClass;
+    try {
+      mainClass = classLoader.loadClass(providerClass);
+    } catch (ClassNotFoundException e) {
+      throw new ClassNotFoundException("Unable to load main class from file " + providerPath, e);
+    }
+    if (!ExpansionProvider.class.isAssignableFrom(mainClass) || mainClass.isInterface()) {
+      return;
+    }
+    try {
+      providers.add((ExpansionProvider) mainClass.getConstructors()[0].newInstance());
+    } catch (Exception e) {
+      throw new RuntimeException("Unable to create expansion provider from file " + providerPath, e);
+    }
+  }
+}

common/src/main/java/io/github/miniplaceholders/common/loader/FailedToLoadExpansion.java

@@ -0,0 +1,7 @@
+package io.github.miniplaceholders.common.loader;
+
+import io.github.miniplaceholders.api.provider.LoadRequirement;
+import org.jspecify.annotations.NonNull;
+
+public record FailedToLoadExpansion(@NonNull LoadRequirement requirement) {
+}

common/src/main/java/io/github/miniplaceholders/common/loader/ProviderLoadResult.java

@@ -0,0 +1,14 @@
+package io.github.miniplaceholders.common.loader;
+
+import io.github.miniplaceholders.api.provider.ExpansionProvider;
+import io.github.miniplaceholders.api.provider.LoadRequirement;
+
+public record ProviderLoadResult(ExpansionProvider provider, FailedToLoadExpansion failed) {
+    public static ProviderLoadResult ofLoaded(ExpansionProvider provider) {
+        return new ProviderLoadResult(provider, null);
+    }
+
+    public static ProviderLoadResult ofFailed(LoadRequirement requirement) {
+        return new ProviderLoadResult(null, new FailedToLoadExpansion(requirement));
+    }
+}

connect/src/main/java/io/github/miniplaceholders/connect/InternalPlatform.java

@@ -2,7 +2,8 @@ package io.github.miniplaceholders.connect;
 
 public enum InternalPlatform {
 
-    PAPER, VELOCITY, KRYPTON, FABRIC, SPONGE;
+    PAPER, VELOCITY,
+    FABRIC, SPONGE;
 
     private static InternalPlatform actualPlatform;
 

example-expansion-provider/build.gradle.kts

@@ -0,0 +1,23 @@
+plugins {
+    id("miniplaceholders.auto.module")
+    alias(libs.plugins.idea.ext)
+    alias(libs.plugins.blossom)
+}
+
+version = "1.0.0"
+
+dependencies {
+    compileOnly(projects.miniplaceholdersApi)
+    compileOnly(libs.adventure.api)
+    compileOnly(libs.adventure.minimessage)
+}
+
+sourceSets {
+    main {
+        blossom {
+            javaSources {
+                property("version", project.version.toString())
+            }
+        }
+    }
+}

example-expansion-provider/src/main/java-templates/io/github/miniplaceholders/provider/example/ExpansionConstants.java.peb

@@ -0,0 +1,7 @@
+package io.github.miniplaceholders.provider.example;
+
+public final class ExpansionConstants {
+    public static final String VERSION = "{{ version }}";
+
+    private ExpansionConstants() {}
+}

example-expansion-provider/src/main/java/io/miniplaceholders/provider/example/ExampleProvider.java

@@ -0,0 +1,36 @@
+package io.miniplaceholders.provider.example;
+
+import io.github.miniplaceholders.api.Expansion;
+import io.github.miniplaceholders.api.provider.ExpansionProvider;
+import io.github.miniplaceholders.api.provider.LoadRequirement;
+import io.github.miniplaceholders.api.types.Platform;
+import io.github.miniplaceholders.provider.example.ExpansionConstants;
+import net.kyori.adventure.text.minimessage.tag.Tag;
+
+public final class ExampleProvider implements ExpansionProvider {
+    //    For advanced usage only
+    @team.unnamed.inject.Inject
+    private io.github.miniplaceholders.api.provider.PlatformData platformData;
+
+    @Override
+    public Expansion provideExpansion() {
+
+        return Expansion.builder("example")
+                .version("2.0.0")
+                .author("MiniPlaceholders Contributors")
+                .globalPlaceholder("test", (queue, context) ->
+                        Tag.preProcessParsed("""
+                                Platform Instance Class: %s
+                                MiniPlaceholders Instance Class: %s
+                                """.formatted(
+                                platformData.serverInstance(),
+                                platformData.complementInstance())))
+                .version(ExpansionConstants.VERSION)
+                .build();
+    }
+
+    @Override
+    public LoadRequirement loadRequirement() {
+        return LoadRequirement.allOf(LoadRequirement.allOf(LoadRequirement.platform(Platform.VELOCITY)));
+    }
+}

example-expansion-provider/src/main/resources/expansion-provider.properties

@@ -0,0 +1 @@
+provider-class=io.miniplaceholders.provider.example.ExampleProvider

fabric/build.gradle.kts

@@ -1,6 +1,6 @@
 plugins {
     id("miniplaceholders.auto.module")
-    id("fabric-loom")
+    id("quiet-fabric-loom")
     alias(libs.plugins.shadow)
 }
 
@@ -14,11 +14,10 @@ dependencies {
 
     includeDependency(libs.adventure.platform.fabric)
     includeDependency(libs.adventure.serializer.legacy)
+    includeDependency(libs.adventure.minimessage)
     includeDependency(libs.luckopermissionsapi)
-    includeDependency(libs.cloud.fabric)
-    includeDependency(libs.cloud.core)
-    includeDependency(libs.cloud.extras)
     includeDependency(libs.desertwell)
+    includeDependency(libs.unnamedinject)
 
     shadeModule(projects.miniplaceholdersApi)
     shadeModule(projects.miniplaceholdersCommon)
@@ -39,17 +38,21 @@ fun DependencyHandlerScope.includeDependency(dependency: Any) {
     include(dependency)
 }
 
+
+
 tasks {
+    val projectVersion = project.version
+    val rootDir = project.rootDir
     processResources {
         filteringCharset = Charsets.UTF_8.name()
         filesMatching("fabric.mod.json") {
-            expand("version" to project.version)
+            expand("version" to projectVersion)
         }
     }
     remapJar {
         inputFile.set(shadowJar.get().archiveFile)
-        archiveFileName.set("MiniPlaceholders-Fabric-${project.version}.jar")
-        destinationDirectory.set(file("${project.rootDir}/jar"))
+        archiveFileName.set("MiniPlaceholders-Fabric-${projectVersion}.jar")
+        destinationDirectory.set(file("${rootDir}/jar"))
     }
     shadowJar {
         configurations = listOf(shade)

fabric/src/main/java/io/github/miniplaceholders/fabric/FabricMod.java

@@ -1,113 +1,86 @@
 package io.github.miniplaceholders.fabric;
 
-import cloud.commandframework.execution.AsynchronousCommandExecutionCoordinator;
-import cloud.commandframework.fabric.FabricServerCommandManager;
-import io.github.miniplaceholders.api.Expansion;
-import io.github.miniplaceholders.common.PlaceholdersCommand;
+import com.mojang.brigadier.tree.LiteralCommandNode;
 import io.github.miniplaceholders.common.PlaceholdersPlugin;
+import io.github.miniplaceholders.common.command.brigadier.BrigadierCommandProvider;
 import io.github.miniplaceholders.connect.InternalPlatform;
 import me.lucko.fabric.api.permissions.v0.Permissions;
-import net.fabricmc.api.ModInitializer;
+import net.fabricmc.api.DedicatedServerModInitializer;
+import net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback;
 import net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents;
+import net.fabricmc.loader.api.FabricLoader;
 import net.kyori.adventure.text.Component;
-import net.kyori.adventure.text.minimessage.tag.Tag;
+import net.kyori.adventure.text.logger.slf4j.ComponentLogger;
+import net.kyori.adventure.util.TriState;
 import net.minecraft.commands.CommandSourceStack;
 import net.minecraft.server.MinecraftServer;
-import net.minecraft.server.level.ServerLevel;
-import net.minecraft.server.packs.PackResources;
-import net.minecraft.world.entity.Entity;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
-import java.text.DecimalFormat;
+import java.nio.file.Path;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.function.Function;
 
-public class FabricMod implements ModInitializer, PlaceholdersPlugin {
-    private final Logger logger = LoggerFactory.getLogger("miniplaceholders");
-    private static final DecimalFormat MSPT_FORMAT = new DecimalFormat("###.###");
+public final class FabricMod implements DedicatedServerModInitializer, PlaceholdersPlugin {
+  private final ComponentLogger componentLogger = ComponentLogger.logger("miniplaceholders");
+  private MinecraftServer minecraftServer;
 
-    private final TickManager tickManager = new TickManager();
-    private MinecraftServer minecraftServer;
+  @Override
+  public void onInitializeServer() {
+    componentLogger.info("Starting MiniPlaceholders Fabric");
+    InternalPlatform.platform(InternalPlatform.FABRIC);
 
-    @Override
-    public void onInitialize() {
-        logger.info("Starting MiniPlaceholders Fabric");
-        InternalPlatform.platform(InternalPlatform.FABRIC);
+    ServerLifecycleEvents.SERVER_STARTING.register(minecraftServer -> {
+      this.minecraftServer = minecraftServer;
+      try {
+        final Path expansionsFolder = FabricLoader.getInstance().getConfigDir()
+            .resolve("miniplaceholders").resolve("expansions");
+        this.loadProvidedExpansions(expansionsFolder);
+      } catch (Throwable e) {
+        componentLogger.error("Unable to load expansion providers", e);
+      }
+    });
 
-        ServerLifecycleEvents.SERVER_STARTING.register(minecraftServer -> {
-            this.minecraftServer = minecraftServer;
-            this.loadDefaultExpansions();
-        });
+    this.registerPlatformCommand();
+  }
 
-        this.registerPlatformCommand();
-    }
+  @Override
+  public void registerPlatformCommand() {
+    final LiteralCommandNode<CommandSourceStack> node = BrigadierCommandProvider.provideCommand(
+        "miniplaceholders",
+        () -> new ArrayList<>(List.of(this.minecraftServer.getPlayerNames())),
+        string -> this.minecraftServer.getPlayerList().getPlayerByName(string),
+        aud -> aud,
+        (audience, permission) -> {
+          final CommandSourceStack commandSourceStack = (CommandSourceStack) audience;
+          return switch (Permissions.getPermissionValue(commandSourceStack, permission)) {
+            case TRUE -> TriState.TRUE;
+            case FALSE -> TriState.FALSE;
+            case DEFAULT -> commandSourceStack.hasPermission(3) ? TriState.TRUE : TriState.NOT_SET;
+          };
+        }
+    );
+    CommandRegistrationCallback.EVENT.register(
+        (dispatcher, ctx, selection) ->
+            dispatcher.getRoot().addChild(node)
+    );
+  }
 
-    @Override
-    public void loadDefaultExpansions() {
-        Expansion.builder("server")
-                .globalPlaceholder("name", Tag.preProcessParsed(this.minecraftServer.getServerModName()))
-                .globalPlaceholder("online", (queue, ctx) -> Tag.preProcessParsed(Integer.toString(this.minecraftServer.getPlayerCount())))
-                .globalPlaceholder("version", (ctx, queue) -> Tag.preProcessParsed(this.minecraftServer.getServerVersion()))
-                .globalPlaceholder("max_players", (ctx, queue) -> Tag.preProcessParsed(Integer.toString(this.minecraftServer.getMaxPlayers())))
-                .globalPlaceholder("unique_joins", (queue, ctx) -> Tag.preProcessParsed(Integer.toString(this.minecraftServer.getProfileCache().load().size())))
-                .globalPlaceholder("tps_1m", (ctx, queue) -> Tag.preProcessParsed(tickManager.getTps1m().formattedAverage()))
-                .globalPlaceholder("tps_5m", (ctx, queue) -> Tag.preProcessParsed(tickManager.getTps5m().formattedAverage()))
-                //.globalPlaceholder("tps_15m", (ctx, queue) -> Tag.preProcessParsed(tickManager.getTps15m().formattedAverage()))
-                .globalPlaceholder("tick_count", (queue, ctx) -> Tag.preProcessParsed(Integer.toString(this.minecraftServer.getTickCount())))
-                .globalPlaceholder("has_whitelist", (queue, ctx) -> Tag.preProcessParsed(Boolean.toString(this.minecraftServer.getPlayerList().isUsingWhitelist())))
-                .globalPlaceholder("total_chunks", (queue, ctx) -> {
-                    int chunks = 0;
-                    for (final ServerLevel level : this.minecraftServer.getAllLevels()) {
-                        chunks += level.getChunkSource().getLoadedChunksCount();
-                    }
-                    return Tag.preProcessParsed(Integer.toString(chunks));
-                })
-                .globalPlaceholder("total_entities", (queue, ctx) -> {
-                    int entities = 0;
-                    for (final ServerLevel level : this.minecraftServer.getAllLevels()) {
-                        for (final Entity ignored : level.getAllEntities()) {
-                            entities++;
-                        }
-                    }
-                    return Tag.preProcessParsed(Integer.toString(entities));
-                })
-                .globalPlaceholder("mspt", (queue, ctx) -> Tag.preProcessParsed(MSPT_FORMAT.format(this.minecraftServer.getAverageTickTime())))
-                .globalPlaceholder("datapack_list", (queue, ctx) ->
-                    Tag.selfClosingInserting(this.minecraftServer.getResourceManager()
-                            .listPacks()
-                            .map(PackResources::packId)
-                            .map(id -> Component.text()
-                                    .content("[")
-                                    .append(Component.text(id))
-                                    .append(Component.text("]"))
-                                    .build())
-                            .collect(Component.toComponent(Component.space())))
-                )
-                .globalPlaceholder("datapack_count", (queue, ctx) ->
-                    Tag.preProcessParsed(Long.toString(this.minecraftServer.getResourceManager()
-                            .listPacks()
-                            .count()))
-                )
-                .build()
-                .register();
-    }
+  @Override
+  public boolean platformHasComplementLoaded(String complementName) {
+    return FabricLoader.getInstance().isModLoaded(complementName);
+  }
 
-    @Override
-    public void registerPlatformCommand() {
-        final FabricServerCommandManager<CommandSourceStack> commandManager = new FabricServerCommandManager<>(
-                AsynchronousCommandExecutionCoordinator.simpleCoordinator(),
-                Function.identity(),
-                Function.identity()
-        );
-        PlaceholdersCommand.<CommandSourceStack>builder()
-                .hasPermissionCheck((source, permission) -> Permissions.check(source, permission, 4))
-                .toAudience(string -> this.minecraftServer.getPlayerList().getPlayerByName(string))
-                .playerSuggestions(() -> new ArrayList<>(List.of(this.minecraftServer.getPlayerNames())))
-                .manager(commandManager)
-                .command("miniplaceholders")
-                .build()
-                .register();
-    }
+  @Override
+  public void logError(Component component) {
+    componentLogger.error(component);
+  }
+
+  @Override
+  public void logInfo(Component component) {
+    componentLogger.info(component);
+  }
+
+  @Override
+  public Object platformServerInstance() {
+    return this.minecraftServer;
+  }
 }

fabric/src/main/java/io/github/miniplaceholders/fabric/RollingAverage.java

@@ -1,59 +0,0 @@
-package io.github.miniplaceholders.fabric;
-
-import java.math.BigDecimal;
-import java.math.RoundingMode;
-import java.text.DecimalFormat;
-
-/**
- * Based on the MIT licensed Paper-Server patch "Further improve server tick loop".
- *
- * @author Daniel Ennis/Aikar
- */
-final class RollingAverage {
-    private static final DecimalFormat TPS_FORMAT = new DecimalFormat("###.##");
-    static { TPS_FORMAT.setRoundingMode(RoundingMode.HALF_UP); }
-    private static final int TPS = 20;
-    private static final long SEC_IN_NANO = 1000000000;
-    private final int size;
-    private final BigDecimal[] samples;
-    private final long[] times;
-    private long time;
-    private BigDecimal total;
-    private int index = 0;
-
-    RollingAverage(final int size) {
-        this.size = size;
-        this.samples = new BigDecimal[size];
-        this.times = new long[size];
-        this.time = size * SEC_IN_NANO;
-        this.total = dec(TPS).multiply(dec(SEC_IN_NANO)).multiply(dec(size));
-        for (int i = 0; i < size; i++) {
-            this.samples[i] = dec(TPS);
-            this.times[i] = SEC_IN_NANO;
-        }
-    }
-
-    private static BigDecimal dec(final long t) {
-        return new BigDecimal(t);
-    }
-
-    void add(final BigDecimal x, final long t) {
-        this.time -= this.times[this.index];
-        this.total = this.total.subtract(this.samples[this.index].multiply(dec(this.times[this.index])));
-        this.samples[this.index] = x;
-        this.times[this.index] = t;
-        this.time += t;
-        this.total = this.total.add(x.multiply(dec(t)));
-        if (++this.index == this.size) {
-            this.index = 0;
-        }
-    }
-
-    double average() {
-        return this.total.divide(dec(this.time), 30, RoundingMode.HALF_UP).doubleValue();
-    }
-
-    String formattedAverage() {
-        return TPS_FORMAT.format(average());
-    }
-}

fabric/src/main/java/io/github/miniplaceholders/fabric/TickManager.java

@@ -1,45 +0,0 @@
-package io.github.miniplaceholders.fabric;
-
-import net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents;
-
-import java.math.BigDecimal;
-import java.math.RoundingMode;
-
-final class TickManager {
-    private static final int TICK_DURATION = 20;
-
-    private static final BigDecimal TPS_BASE = new BigDecimal("1E9").multiply(new BigDecimal(TICK_DURATION));
-
-    private final RollingAverage tps1m = new RollingAverage(60);
-    private final RollingAverage tps5m = new RollingAverage(60 * 5);
-    private final RollingAverage tps15m = new RollingAverage(60 * 15);
-    private long lastStartTick = 0;
-    private long lastEndTick = 0;
-
-    TickManager() {
-        ServerTickEvents.START_SERVER_TICK.register(server -> this.lastStartTick = System.nanoTime());
-
-        ServerTickEvents.END_SERVER_TICK.register(server -> {
-            if (server.getTickCount() % TICK_DURATION == 0) {
-                final long diff = lastStartTick - lastEndTick;
-                final BigDecimal currentTps = TPS_BASE.divide(new BigDecimal(diff), 30, RoundingMode.HALF_UP);
-                this.tps1m.add(currentTps, diff);
-                this.tps5m.add(currentTps, diff);
-                this.tps15m.add(currentTps, diff);
-                this.lastEndTick = System.nanoTime();
-            }
-        });
-    }
-
-    public RollingAverage getTps1m() {
-        return tps1m;
-    }
-
-    public RollingAverage getTps5m() {
-        return tps5m;
-    }
-
-    public RollingAverage getTps15m() {
-        return tps15m;
-    }
-}

fabric/src/main/resources/fabric.mod.json

@@ -3,27 +3,28 @@
   "id": "miniplaceholders",
   "version": "${version}",
   "name": "MiniPlaceholders",
-  "description": "MiniMessage Component-based Placeholders for PaperMC, Fabric, Krypton and Velocity platforms",
+  "description": "MiniMessage Component-based Placeholders API",
   "authors": [
     "4drian3d"
   ],
   "contact": {
-    "homepage": "https://github.com/MiniPlaceholders/MiniPlaceholders",
+    "homepage": "https://miniplaceholders.github.io/",
     "sources": "https://github.com/MiniPlaceholders/MiniPlaceholders",
     "issues": "https://github.com/MiniPlaceholders/MiniPlaceholders/issues"
   },
   "license": "Apache-2",
   "environment": "server",
   "entrypoints": {
-    "main": [
+    "server": [
       "io.github.miniplaceholders.fabric.FabricMod"
     ]
   },
   "depends": {
     "fabricloader": ">=0.14.19",
     "fabric": "*",
-    "java": ">=17",
-    "minecraft": ">=1.20.2",
-    "fabric-permissions-api-v0": "*"
+    "java": ">=21",
+    "adventure-platform-fabric": "~6.6.0",
+    "minecraft": ">=1.21.6 <=1.21.8",
+    "fabric-permissions-api-v0": "~0.4.1"
   }
 }

gradle.properties

@@ -1,5 +1,8 @@
 group = io.github.miniplaceholders
-version = 2.2.4
-description = MiniMessage Component-based Placeholders for Paper, Fabric, Sponge, Folia and Velocity platforms
+version = 3.1.0-SNAPSHOT
+description = MiniMessage Component-based Placeholders API
 
-org.gradle.jvmargs=-Xmx2G
+org.gradle.jvmargs=-Xmx2G
+org.jetbrains.dokka.experimental.gradle.pluginMode=V2Enabled
+org.jetbrains.dokka.experimental.gradle.pluginMode.noWarn=true
+#org.gradle.configuration-cache=true

gradle/libs.versions.toml

@@ -2,27 +2,22 @@ metadata.format.version = "1.1"
 
 [versions]
 
-velocity = "3.2.0-SNAPSHOT"
-paper = "1.20.2-R0.1-SNAPSHOT"
-minecraft = "1.20.2"
+velocity = "3.4.0-SNAPSHOT"
+paper = "1.21.8-R0.1-SNAPSHOT"
+minecraft = "1.21.8"
 
-runtask = "2.2.2"
-pluginyml = "0.6.0"
-userdev = "1.5.11"
+runtask = "3.0.0"
 blossom = "2.1.0"
-indra = "3.1.3"
-shadow = "8.1.1"
-jmh = "0.7.2"
-dokka = "1.9.10"
+shadow = "9.2.2"
+jmh = "0.7.3"
+dokka = "2.0.0"
 
-cloud = "1.8.4"
-adventure = "4.15.0"
-adventurefabric = "5.11.0"
-brigadier = "1.0.500"
-kotlin="1.9.22"
+adventure = "4.24.0"
+adventureModded = "6.6.0"
+kotlin = "2.2.20"
 
-fabric-api = "0.93.1+1.20.5"
-fabric-loader = "0.15.6"
+fabric-api = "0.133.14+1.21.9"
+fabric-loader = "0.17.2"
 
 desertwell = "2.0.4"
 
@@ -34,42 +29,32 @@ minecraft = { group = "com.mojang", name = "minecraft", version.ref = "minecraft
 
 fabric-api = { group = "net.fabricmc.fabric-api", name = "fabric-api", version.ref = "fabric-api" }
 fabric-loader = { group = "net.fabricmc", name = "fabric-loader", version.ref = "fabric-loader" }
-luckopermissionsapi = { group = "me.lucko", name = "fabric-permissions-api", version = "0.2-SNAPSHOT" }
+luckopermissionsapi = { group = "me.lucko", name = "fabric-permissions-api", version = "0.4.1" }
 
 adventure-api = { group = "net.kyori", name = "adventure-api", version.ref = "adventure" }
-adventure-minimesssage = { group = "net.kyori", name = "adventure-text-minimessage", version.ref = "adventure" }
-adventure-platform-fabric = { group = "net.kyori", name = "adventure-platform-fabric", version.ref = "adventurefabric" }
+adventure-minimessage = { group = "net.kyori", name = "adventure-text-minimessage", version.ref = "adventure" }
+adventure-platform-fabric = { group = "net.kyori", name = "adventure-platform-fabric", version.ref = "adventureModded" }
 adventure-serializer-legacy = { group = "net.kyori", name = "adventure-text-serializer-legacy", version.ref = "adventure" }
 adventure-serializer-plain = { group = "net.kyori", name = "adventure-text-serializer-plain", version.ref = "adventure" }
 
-cloud-core = { group = "cloud.commandframework", name = "cloud-core", version.ref = "cloud" }
-cloud-annotations = { group = "cloud.commandframework", name = "cloud-annotations", version.ref = "cloud" }
-cloud-velocity = { group = "cloud.commandframework", name = "cloud-velocity", version.ref = "cloud" }
-cloud-paper = { group = "cloud.commandframework", name = "cloud-paper", version.ref = "cloud" }
-cloud-fabric = { group = "cloud.commandframework", name = "cloud-fabric", version.ref = "cloud" }
-cloud-sponge = { group = "cloud.commandframework", name = "cloud-sponge", version = "1.8.0-SNAPSHOT" }
-cloud-extras = { group = "cloud.commandframework", name = "cloud-minecraft-extras", version.ref = "cloud" }
-
-brigadier = { group = "com.mojang", name = "brigadier", version.ref = "brigadier" }
-
-plugin-shadow = { group = "com.github.johnrengelman", name = "shadow", version.ref = "shadow" }
+plugin-shadow = { module = "com.gradleup.shadow:shadow-gradle-plugin", version.ref = "shadow" }
 plugin-kotlin =  { module = "org.jetbrains.kotlin:kotlin-gradle-plugin", version.ref = "kotlin" }
-plugin-indra-common = { module = "net.kyori:indra-common", version.ref = "indra" }
-plugin-indra-spotless = { module = "net.kyori:indra-licenser-spotless", version.ref = "indra" }
-plugin-dokka = "org.jetbrains.dokka:dokka-gradle-plugin:1.9.10"
+plugin-dokka = { module = "org.jetbrains.dokka:dokka-gradle-plugin", version.ref = "dokka" }
 
 desertwell = { group = "net.william278", name = "DesertWell", version.ref = "desertwell" }
 
-junit-bom = "org.junit:junit-bom:5.10.1"
+junit-bom = "org.junit:junit-bom:6.0.0"
+jspecify = "org.jspecify:jspecify:1.0.0"
+
+unnamedinject = "team.unnamed:inject:2.0.1"
+brigadier = "com.mojang:brigadier:1.0.500"
 
 [plugins]
 
-pluginyml = { id = "net.minecrell.plugin-yml.bukkit", version.ref = "pluginyml" }
-userdev = { id = "io.papermc.paperweight.userdev", version.ref = "userdev" }
 runpaper = { id = "xyz.jpenilla.run-paper", version.ref = "runtask" }
 runvelocity = { id = "xyz.jpenilla.run-velocity", version.ref = "runtask" }
 blossom = { id = "net.kyori.blossom", version.ref = "blossom" }
-shadow = { id = "com.github.johnrengelman.shadow", version.ref = "shadow" }
+shadow = { id = "com.gradleup.shadow", version.ref = "shadow" }
 jmh = { id = "me.champeau.jmh", version.ref = "jmh" }
+idea-ext = { id = "org.jetbrains.gradle.plugin.idea-ext", version = "1.3" }
 dokka = { id = "org.jetbrains.dokka", version.ref = "dokka" }
-idea-ext = { id = "org.jetbrains.gradle.plugin.idea-ext", version = "1.1.7" }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.1.0-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

gradlew

@@ -1,7 +1,7 @@
 #!/bin/sh
 
 #
-# Copyright © 2015-2021 the original authors.
+# Copyright © 2015 the original authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -15,6 +15,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 
 ##############################################################################
 #
@@ -55,7 +57,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -84,7 +86,7 @@ done
 # shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
 # Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
-APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit
+APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
@@ -112,7 +114,6 @@ case "$( uname )" in                #(
   NONSTOP* )        nonstop=true ;;
 esac
 
-CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
 
 # Determine the Java command to use to start the JVM.
@@ -170,7 +171,6 @@ fi
 # For Cygwin or MSYS, switch paths to Windows format before running java
 if "$cygwin" || "$msys" ; then
     APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
-    CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
 
     JAVACMD=$( cygpath --unix "$JAVACMD" )
 
@@ -203,15 +203,14 @@ fi
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
 
 # Collect all arguments for the java command:
-#   * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
 #     and any embedded shellness will be escaped.
 #   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
 #     treated as '${Hostname}' itself on the command line.
 
 set -- \
         "-Dorg.gradle.appname=$APP_BASE_NAME" \
-        -classpath "$CLASSPATH" \
-        org.gradle.wrapper.GradleWrapperMain \
+        -jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \
         "$@"
 
 # Stop when "xargs" is not available.

gradlew.bat

@@ -13,6 +13,8 @@
 @rem See the License for the specific language governing permissions and
 @rem limitations under the License.
 @rem
+@rem SPDX-License-Identifier: Apache-2.0
+@rem
 
 @if "%DEBUG%"=="" @echo off
 @rem ##########################################################################
@@ -43,11 +45,11 @@ set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
 if %ERRORLEVEL% equ 0 goto execute
 
-echo.
-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 
@@ -57,22 +59,21 @@ set JAVA_EXE=%JAVA_HOME%/bin/java.exe
 
 if exist "%JAVA_EXE%" goto execute
 
-echo.
-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 
 :execute
 @rem Setup the command line
 
-set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
 
 @rem Execute Gradle
-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %*
 
 :end
 @rem End local scope for the variables with windows NT shell

kotlin-ext/README.md

@@ -0,0 +1 @@
+# Package io.github.miniplaceholders.kotlin

kotlin-ext/build.gradle.kts

@@ -1,19 +1,87 @@
+import com.vanniktech.maven.publish.KotlinJvm
+import com.vanniktech.maven.publish.JavadocJar
+import java.time.LocalDate
+
 plugins {
     kotlin("jvm")
-    id("miniplaceholders.kotlin.publish")
+    id("com.vanniktech.maven.publish")
+    id("org.jetbrains.dokka") version "2.0.0"
 }
 
 dependencies {
     compileOnly(kotlin("stdlib"))
     compileOnly(libs.adventure.api)
-    compileOnly(libs.adventure.minimesssage)
-    compileOnlyApi(projects.miniplaceholdersApi)
+    compileOnly(libs.adventure.minimessage)
+    compileOnly(projects.miniplaceholdersApi)
 }
 
 kotlin {
     explicitApi()
     jvmToolchain {
-        languageVersion.set(JavaLanguageVersion.of(17))
+        languageVersion.set(JavaLanguageVersion.of(21))
     }
 }
 
+
+dokka {
+    dokkaSourceSets.main {
+        includes.from("README.md")
+        sourceLink {
+            localDirectory.set(rootDir)
+            remoteUrl("https://github.com/MiniPlaceholders/MiniPlaceholders/tree/main")
+            remoteLineSuffix.set("#L")
+        }
+    }
+    pluginsConfiguration.html {
+        footerMessage.set("(c) MiniPlaceholders | 4drian3d")
+    }
+}
+
+mavenPublishing {
+    publishToMavenCentral()
+    signAllPublications()
+    coordinates(project.group as String, "miniplaceholders-kotlin-ext", project.version as String)
+    pom {
+        name.set(project.name)
+        description.set(project.description)
+        inceptionYear.set(LocalDate.now().year.toString())
+        url.set("https://github.com/MiniPlaceholders/MiniPlaceholders")
+        licenses {
+            license {
+                name.set("The Apache License, Version 2.0")
+                url.set("http://www.apache.org/licenses/LICENSE-2.0.txt")
+                distribution.set("http://www.apache.org/licenses/LICENSE-2.0.txt")
+            }
+        }
+        developers {
+            developer {
+                id.set("4drian3d")
+                name.set("Adrian Gonzales")
+                email.set("adriangonzalesval@gmail.com")
+            }
+        }
+        scm {
+            connection.set("scm:git:https://github.com/MiniPlaceholders/MiniPlaceholders.git")
+            developerConnection.set("scm:git:ssh://git@github.com/MiniPlaceholders/MiniPlaceholders.git")
+            url.set("https://github.com/MiniPlaceholders/MiniPlaceholders")
+        }
+        ciManagement {
+            name.set("GitHub Actions")
+            url.set("https://github.com/MiniPlaceholders/MiniPlaceholders/actions")
+        }
+        issueManagement {
+            name.set("GitHub")
+            url.set("https://github.com/MiniPlaceholders/MiniPlaceholders/issues")
+        }
+    }
+    configure(KotlinJvm(
+        // configures the -javadoc artifact, possible values:
+        // - `JavadocJar.None()` don't publish this artifact
+        // - `JavadocJar.Empty()` publish an empty jar
+        // - `JavadocJar.Dokka("dokkaHtml")` when using Kotlin with Dokka, where `dokkaHtml` is the name of the Dokka task that should be used as input
+        javadocJar = JavadocJar.Dokka("dokkaGeneratePublicationHtml"),
+        sourcesJar = true,
+    ))
+}
+
+

kotlin-ext/src/main/kotlin/io/github/miniplaceholders/kotlin/ExpansionExt.kt

@@ -1,6 +1,11 @@
 package io.github.miniplaceholders.kotlin
 
 import io.github.miniplaceholders.api.Expansion
+import io.github.miniplaceholders.api.resolver.AudienceTagResolver
+import io.github.miniplaceholders.api.resolver.GlobalTagResolver
+import io.github.miniplaceholders.api.resolver.RelationalTagResolver
+import net.kyori.adventure.audience.Audience
+import net.kyori.adventure.text.minimessage.tag.Tag
 
 /**
  * Create a new Expansion
@@ -12,5 +17,23 @@ import io.github.miniplaceholders.api.Expansion
  * @see Expansion.builder
  * @see Expansion.Builder.build
  * */
-public fun expansion(name: String, builder: Expansion.Builder.() -> Expansion.Builder): Expansion
-    = builder(Expansion.builder(name)).build()
+public fun expansion(name: String, builder: Expansion.Builder.() -> Expansion.Builder): Expansion =
+    builder(Expansion.builder(name)).build()
+
+public fun Expansion.Builder.global(placeholderName: String, resolver: GlobalTagResolver): Expansion.Builder =
+    this.globalPlaceholder(placeholderName, resolver)
+
+public fun Expansion.Builder.global(placeholderName: String, tag: Tag): Expansion.Builder =
+    this.globalPlaceholder(placeholderName, tag)
+
+public inline fun <reified A : Audience> Expansion.Builder.audience(
+    placeholderName: String,
+    resolver: AudienceTagResolver<A>
+): Expansion.Builder =
+    this.audiencePlaceholder(A::class.java, placeholderName, resolver)
+
+public inline fun <reified A : Audience> Expansion.Builder.relational(
+    placeholderName: String,
+    resolver: RelationalTagResolver<A>
+): Expansion.Builder =
+    this.relationalPlaceholder(A::class.java, placeholderName, resolver)

kotlin-ext/src/main/kotlin/io/github/miniplaceholders/kotlin/StringsExt.kt

@@ -0,0 +1,14 @@
+package io.github.miniplaceholders.kotlin
+
+import io.github.miniplaceholders.api.utils.LegacyStrings
+import net.kyori.adventure.text.Component
+import net.kyori.adventure.text.minimessage.Context
+import net.kyori.adventure.text.minimessage.tag.resolver.TagResolver
+
+public fun String.hasLegacyFormat() : Boolean = LegacyStrings.hasLegacyFormat(this)
+
+public fun String.parsePossibleLegacy(resolver: TagResolver = TagResolver.empty()) : Component =
+    LegacyStrings.parsePossibleLegacy(this, resolver)
+
+public fun String.parsePossibleLegacy(context: Context) : Component =
+    LegacyStrings.parsePossibleLegacy(this, context)