Add 1.21.5 resource_selector command argument parser

api/src/main/java/com/github/retrooper/packetevents/protocol/chat/Parsers.java

@@ -214,6 +214,14 @@ public class Parsers {
     public static final Parser LOOT_MODIFIER = define("loot_modifier", null, null);
     public static final Parser UUID = define("uuid", null, null);
 
+    /**
+     * Added with 1.21.5
+     */
+    public static final Parser RESOURCE_SELECTOR = define("resource_selector",
+            wrapper -> Collections.singletonList(wrapper.readIdentifier()),
+            (wrapper, value) -> wrapper.writeIdentifier((ResourceLocation) value.get(0))
+    );
+
     static {
         TYPES_BUILDER.unloadFileMappings();
     }

mappings/command/argument_parser_mappings.json

@@ -1,4 +1,61 @@
 {
+  "V_1_21_5": [
+    "brigadier:bool",
+    "brigadier:float",
+    "brigadier:double",
+    "brigadier:integer",
+    "brigadier:long",
+    "brigadier:string",
+    "entity",
+    "game_profile",
+    "block_pos",
+    "column_pos",
+    "vec3",
+    "vec2",
+    "block_state",
+    "block_predicate",
+    "item_stack",
+    "item_predicate",
+    "color",
+    "component",
+    "style",
+    "message",
+    "nbt_compound_tag",
+    "nbt_tag",
+    "nbt_path",
+    "objective",
+    "objective_criteria",
+    "operation",
+    "particle",
+    "angle",
+    "rotation",
+    "scoreboard_slot",
+    "score_holder",
+    "swizzle",
+    "team",
+    "item_slot",
+    "item_slots",
+    "resource_location",
+    "function",
+    "entity_anchor",
+    "int_range",
+    "float_range",
+    "dimension",
+    "gamemode",
+    "time",
+    "resource_or_tag",
+    "resource_or_tag_key",
+    "resource",
+    "resource_key",
+    "resource_selector",
+    "template_mirror",
+    "template_rotation",
+    "heightmap",
+    "loot_table",
+    "loot_predicate",
+    "loot_modifier",
+    "uuid"
+  ],
   "V_1_20_5": [
     "brigadier:bool",
     "brigadier:float",