Add methods to get translation keys

Co-authored-by: MeFisto94 <MeFisto94@users.noreply.github.com>

paper-api/src/main/java/org/bukkit/entity/EntityType.java

@@ -43,7 +43,7 @@ import org.jetbrains.annotations.Contract;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
-public enum EntityType implements Keyed, Translatable {
+public enum EntityType implements Keyed, Translatable, net.kyori.adventure.translation.Translatable { // Paper - translatable
 
     // These strings MUST match the strings in nms.EntityTypes and are case sensitive.
     /**
@@ -463,10 +463,22 @@ public enum EntityType implements Keyed, Translatable {
 
     @Override
     @NotNull
+    @Deprecated(forRemoval = true) // Paper
     public String getTranslationKey() {
         return Bukkit.getUnsafe().getTranslationKey(this);
     }
 
+    // Paper start
+    /**
+     * @throws IllegalArgumentException if the entity does not have a translation key (is probably a custom entity)
+     */
+    @Override
+    public @NotNull String translationKey() {
+        Preconditions.checkArgument(this != UNKNOWN, "UNKNOWN entities do not have translation keys");
+        return org.bukkit.Bukkit.getUnsafe().getTranslationKey(this);
+    }
+    // Paper end
+
     /**
      * Gets if this EntityType is enabled by feature in a world.
      *

paper-api/src/main/java/org/bukkit/entity/Villager.java

@@ -181,7 +181,7 @@ public interface Villager extends AbstractVillager {
      * Represents the various different Villager professions there may be.
      * Villagers have different trading options depending on their profession,
      */
-    interface Profession extends OldEnum<Profession>, Keyed {
+    interface Profession extends OldEnum<Profession>, Keyed, net.kyori.adventure.translation.Translatable {
 
         Profession NONE = getProfession("none");
         /**
@@ -282,6 +282,13 @@ public interface Villager extends AbstractVillager {
         static Profession[] values() {
             return Lists.newArrayList(Registry.VILLAGER_PROFESSION).toArray(new Profession[0]);
         }
+
+        // Paper start
+        @Override
+        default @NotNull String translationKey() {
+            return "entity.minecraft.villager." + this.getKey().getKey();
+        }
+        // Paper end
     }
 
     // Paper start - Add villager reputation API