Mark everything under commandtools package as Internal.

src/main/java/org/mvplugins/multiverse/core/commandtools/MVCommandCompletions.java

@@ -26,6 +26,7 @@ import org.bukkit.GameRule;
 import org.bukkit.World;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jvnet.hk2.annotations.Service;
 
@@ -43,6 +44,7 @@ import org.mvplugins.multiverse.core.world.WorldManager;
 
 import static org.mvplugins.multiverse.core.utils.StringFormatter.addonToCommaSeperated;
 
+@ApiStatus.Internal
 @Service
 public class MVCommandCompletions extends PaperCommandCompletions {
 

src/main/java/org/mvplugins/multiverse/core/commandtools/MVCommandConditions.java

@@ -6,11 +6,13 @@ import co.aikar.commands.BukkitConditionContext;
 import co.aikar.commands.CommandConditions;
 import co.aikar.commands.ConditionContext;
 import co.aikar.commands.ConditionFailedException;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 
 import org.mvplugins.multiverse.core.world.WorldManager;
 import org.mvplugins.multiverse.core.world.helpers.WorldNameChecker;
 
+@ApiStatus.Internal
 public class MVCommandConditions {
     static void load(
             @NotNull MVCommandManager commandManager,

src/main/java/org/mvplugins/multiverse/core/commandtools/MVCommandContexts.java

@@ -12,6 +12,7 @@ import com.google.common.base.Strings;
 import jakarta.inject.Inject;
 import org.bukkit.GameRule;
 import org.bukkit.entity.Player;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.Nullable;
 import org.jvnet.hk2.annotations.Service;
 
@@ -27,6 +28,7 @@ import org.mvplugins.multiverse.core.world.LoadedMultiverseWorld;
 import org.mvplugins.multiverse.core.world.MultiverseWorld;
 import org.mvplugins.multiverse.core.world.WorldManager;
 
+@ApiStatus.Internal
 @Service
 public class MVCommandContexts extends PaperCommandContexts {
 

src/main/java/org/mvplugins/multiverse/core/commandtools/MVCommandIssuer.java

@@ -5,11 +5,13 @@ import co.aikar.commands.MessageKeys;
 import co.aikar.commands.MessageType;
 import co.aikar.locales.MessageKeyProvider;
 import org.bukkit.command.CommandSender;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 
 import org.mvplugins.multiverse.core.locale.message.Message;
 import org.mvplugins.multiverse.core.locale.message.MessageReplacement;
 
+@ApiStatus.Internal
 public class MVCommandIssuer extends BukkitCommandIssuer {
 
     private final MVCommandManager commandManager;

src/main/java/org/mvplugins/multiverse/core/commandtools/MVCommandManager.java

@@ -12,6 +12,7 @@ import jakarta.inject.Inject;
 import jakarta.inject.Provider;
 import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jvnet.hk2.annotations.Service;
 
@@ -25,6 +26,7 @@ import org.mvplugins.multiverse.core.world.helpers.WorldNameChecker;
 /**
  * Main class to manage permissions.
  */
+@ApiStatus.Internal
 @Service
 public class MVCommandManager extends PaperCommandManager {
 

src/main/java/org/mvplugins/multiverse/core/commandtools/MVCommandPermissions.java

@@ -4,6 +4,7 @@ import co.aikar.commands.CommandIssuer;
 import co.aikar.commands.annotation.CommandPermission;
 import io.vavr.control.Option;
 import jakarta.inject.Inject;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jvnet.hk2.annotations.Service;
 import org.mvplugins.multiverse.core.permissions.CorePermissionsChecker;
@@ -17,6 +18,7 @@ import java.util.function.Predicate;
 /**
  * Maps permission checking to custom logic for commands, to allow more complex permission checking.
  */
+@ApiStatus.Internal
 @Service
 public class MVCommandPermissions {
     private final Map<String, Predicate<CommandIssuer>> permissionsCheckMap;

src/main/java/org/mvplugins/multiverse/core/commandtools/MVDefaultExceptionHandler.java

@@ -5,12 +5,14 @@ import co.aikar.commands.CommandIssuer;
 import co.aikar.commands.ExceptionHandler;
 import co.aikar.commands.RegisteredCommand;
 import com.dumptruckman.minecraft.util.Logging;
+import org.jetbrains.annotations.ApiStatus;
 
 import java.util.List;
 
 /**
  * Default handler that will print the stack trace when the command throws an exception.
  */
+@ApiStatus.Internal
 public class MVDefaultExceptionHandler implements ExceptionHandler {
     @Override
     public boolean execute(BaseCommand command, RegisteredCommand registeredCommand, CommandIssuer sender, List<String> args, Throwable t) {

src/main/java/org/mvplugins/multiverse/core/commandtools/MultiverseCommand.java

@@ -3,6 +3,7 @@ package org.mvplugins.multiverse.core.commandtools;
 import co.aikar.commands.BaseCommand;
 import com.dumptruckman.minecraft.util.Logging;
 import jakarta.annotation.PostConstruct;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jvnet.hk2.annotations.Contract;
 
@@ -14,6 +15,7 @@ import org.mvplugins.multiverse.core.commandtools.flag.ParsedCommandFlags;
 /**
  * Base class for all Multiverse commands.
  */
+@ApiStatus.Internal
 @Contract
 public abstract class MultiverseCommand extends BaseCommand {
 

src/main/java/org/mvplugins/multiverse/core/commandtools/context/GameRuleValue.java

@@ -1,7 +1,10 @@
 package org.mvplugins.multiverse.core.commandtools.context;
 
+import org.jetbrains.annotations.ApiStatus;
+
 /**
  * Simple wrapper for game rule value, as they may be different types.
  */
+@ApiStatus.Internal
 public record GameRuleValue(Object value) {
 }

src/main/java/org/mvplugins/multiverse/core/commandtools/context/package-info.java

@@ -1 +1,4 @@
+@ApiStatus.Internal
 package org.mvplugins.multiverse.core.commandtools.context;
+
+import org.jetbrains.annotations.ApiStatus;

src/main/java/org/mvplugins/multiverse/core/commandtools/flag/CommandFlag.java

@@ -4,11 +4,13 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * Represents a flag.
  */
+@ApiStatus.Internal
 public class CommandFlag {
     /**
      * A builder for a flag.

src/main/java/org/mvplugins/multiverse/core/commandtools/flag/CommandFlagGroup.java

@@ -7,12 +7,14 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 /**
  * A group of flags.
  */
+@ApiStatus.Internal
 public class CommandFlagGroup {
     /**
      * A builder for a flag group.

src/main/java/org/mvplugins/multiverse/core/commandtools/flag/CommandFlagsManager.java

@@ -8,6 +8,7 @@ import java.util.Map;
 
 import co.aikar.commands.InvalidCommandArgument;
 import com.dumptruckman.minecraft.util.Logging;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jvnet.hk2.annotations.Service;
@@ -15,6 +16,7 @@ import org.jvnet.hk2.annotations.Service;
 /**
  * Manages all the flag groups and parsing.
  */
+@ApiStatus.Internal
 @Service
 public class CommandFlagsManager {
     private final Map<String, CommandFlagGroup> flagGroupMap;

src/main/java/org/mvplugins/multiverse/core/commandtools/flag/CommandFlagsParser.java

@@ -1,10 +1,12 @@
 package org.mvplugins.multiverse.core.commandtools.flag;
 
 import co.aikar.commands.InvalidCommandArgument;
+import org.jetbrains.annotations.ApiStatus;
 
 /**
  * Parses flags from a string array. Each parser should only be used once.
  */
+@ApiStatus.Internal
 public class CommandFlagsParser {
     private final CommandFlagGroup flagGroup;
     private final String[] flags;

src/main/java/org/mvplugins/multiverse/core/commandtools/flag/CommandValueFlag.java

@@ -7,6 +7,7 @@ import java.util.function.Function;
 import java.util.stream.Collectors;
 
 import co.aikar.commands.InvalidCommandArgument;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -15,6 +16,7 @@ import org.jetbrains.annotations.Nullable;
  *
  * @param <T> The type of the value.
  */
+@ApiStatus.Internal
 public class CommandValueFlag<T> extends CommandFlag {
     /**
      * A builder for a flag.

src/main/java/org/mvplugins/multiverse/core/commandtools/flag/ParsedCommandFlags.java

@@ -3,12 +3,14 @@ package org.mvplugins.multiverse.core.commandtools.flag;
 import java.util.HashMap;
 import java.util.Map;
 
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 /**
  * Object to contain the results of the flags present and its values.
  */
+@ApiStatus.Internal
 public class ParsedCommandFlags
 {
     public static final ParsedCommandFlags EMPTY = new ParsedCommandFlags();

src/main/java/org/mvplugins/multiverse/core/commandtools/flag/package-info.java

@@ -1,4 +1,7 @@
 /**
  * This package contains classes related to parsing command flags.
  */
+@ApiStatus.Internal
 package org.mvplugins.multiverse.core.commandtools.flag;
+
+import org.jetbrains.annotations.ApiStatus;

src/main/java/org/mvplugins/multiverse/core/commandtools/flags/FilterCommandFlag.java

@@ -4,6 +4,7 @@ import java.util.List;
 import java.util.function.Function;
 
 import co.aikar.commands.InvalidCommandArgument;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 
 import org.mvplugins.multiverse.core.commandtools.flag.CommandValueFlag;
@@ -15,6 +16,7 @@ import org.mvplugins.multiverse.core.display.filters.RegexContentFilter;
  * <br/>
  * Parses the value of the --filter (or -f) flag as a {@link ContentFilter}.
  */
+@ApiStatus.Internal
 public final class FilterCommandFlag extends CommandValueFlag<ContentFilter> {
 
     private static final Function<String, ContentFilter> VALUE_PARSER = value -> {

src/main/java/org/mvplugins/multiverse/core/commandtools/flags/PageCommandFlag.java

@@ -3,6 +3,7 @@ package org.mvplugins.multiverse.core.commandtools.flags;
 import java.util.List;
 import java.util.function.Function;
 
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 
 import org.mvplugins.multiverse.core.commandtools.flag.CommandValueFlag;
@@ -12,6 +13,7 @@ import org.mvplugins.multiverse.core.commandtools.flag.CommandValueFlag;
  * <br/>
  * Parses the value of the --page (or -p) flag as an integer.
  */
+@ApiStatus.Internal
 public final class PageCommandFlag extends CommandValueFlag<Integer> {
 
     private static final Function<String, Integer> VALUE_PARSER = value -> {

src/main/java/org/mvplugins/multiverse/core/commandtools/flags/package-info.java

@@ -1,4 +1,7 @@
 /**
  * This package contains predefined flags for commands.
  */
+@ApiStatus.Internal
 package org.mvplugins.multiverse.core.commandtools.flags;
+
+import org.jetbrains.annotations.ApiStatus;

src/main/java/org/mvplugins/multiverse/core/commandtools/package-info.java

@@ -1,4 +1,7 @@
 /**
  * This package contains the classes that manages command handling.
  */
+@ApiStatus.Internal
 package org.mvplugins.multiverse.core.commandtools;
+
+import org.jetbrains.annotations.ApiStatus;

src/main/java/org/mvplugins/multiverse/core/commandtools/queue/CommandQueueManager.java

@@ -22,6 +22,7 @@ import org.bukkit.command.CommandSender;
 import org.bukkit.command.ConsoleCommandSender;
 import org.bukkit.plugin.Plugin;
 import org.bukkit.scheduler.BukkitTask;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jvnet.hk2.annotations.Service;
 
@@ -38,6 +39,7 @@ import static org.mvplugins.multiverse.core.locale.message.MessageReplacement.*;
  * <p>Each sender can only have one command in queue at any given time. When a queued command is added
  * for a sender that already has a command in queue, it will replace the old queued command.</p>
  */
+@ApiStatus.Internal
 @Service
 public class CommandQueueManager {
 

src/main/java/org/mvplugins/multiverse/core/commandtools/queue/CommandQueuePayload.java

@@ -2,6 +2,7 @@ package org.mvplugins.multiverse.core.commandtools.queue;
 
 import co.aikar.commands.ACFUtil;
 import org.bukkit.scheduler.BukkitTask;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.mvplugins.multiverse.core.commandtools.MVCommandIssuer;
@@ -11,6 +12,7 @@ import org.mvplugins.multiverse.core.locale.message.Message;
  * Represents a single command used in {@link CommandQueueManager} for confirming before running potentially
  * dangerous action.
  */
+@ApiStatus.Internal
 public class CommandQueuePayload {
 
     /**

src/main/java/org/mvplugins/multiverse/core/commandtools/queue/RunQueuedFailedReason.java

@@ -2,9 +2,11 @@ package org.mvplugins.multiverse.core.commandtools.queue;
 
 import co.aikar.locales.MessageKey;
 import co.aikar.locales.MessageKeyProvider;
+import org.jetbrains.annotations.ApiStatus;
 import org.mvplugins.multiverse.core.locale.MVCorei18n;
 import org.mvplugins.multiverse.core.utils.result.FailureReason;
 
+@ApiStatus.Internal
 public enum RunQueuedFailedReason implements FailureReason {
     NO_COMMAND_IN_QUEUE(MVCorei18n.QUEUECOMMAND_NOCOMMANDINQUEUE),
     INVALID_OTP(MVCorei18n.QUEUECOMMAND_INVALIDOTP),

src/main/java/org/mvplugins/multiverse/core/commandtools/queue/package-info.java

@@ -1,4 +1,7 @@
 /**
  * Manager queuing of dangerous commands in need of confirmation.
  */
+@ApiStatus.Internal
 package org.mvplugins.multiverse.core.commandtools.queue;
+
+import org.jetbrains.annotations.ApiStatus;