Make the temporary getRegistryClassInfo public and outside the BukkitClasses

src/main/java/ch/njol/skript/bukkitutil/BukkitUtils.java

@@ -1,8 +1,13 @@
 package ch.njol.skript.bukkitutil;
 
 import ch.njol.skript.Skript;
+import ch.njol.skript.classes.registry.RegistryClassInfo;
+import ch.njol.skript.util.PaperUtils;
+
 import com.google.common.collect.BiMap;
 import com.google.common.collect.HashBiMap;
+
+import org.bukkit.Keyed;
 import org.bukkit.Registry;
 import org.bukkit.inventory.EquipmentSlot;
 import org.bukkit.potion.PotionEffectType;
@@ -67,4 +72,47 @@ public static EquipmentSlot getEquipmentSlotFromIndex(int slotIndex) {
 		return BUKKIT_EQUIPMENT_SLOT_INDICES.inverse().get(slotIndex);
 	}
 
+	/**
+	 * Gets a {@link RegistryClassInfo} by checking if the {@link Class} from {@code classPath} exists
+	 * and {@link Registry} or {@link io.papermc.paper.registry.RegistryKey} contains {@code registryName}.
+	 * @param classPath The {@link String} representation of the desired {@link Class}.
+	 * @param registryName The {@link String} representation of the desired {@link Registry}.
+	 * @param codeName The name used in patterns.
+	 * @param languageNode The language node of the type.
+	 * @return {@link RegistryClassInfo} if the class and registry exists, otherwise {@code null}.
+	 */
+	public static <R extends Keyed> @Nullable RegistryClassInfo<?> getRegistryClassInfo(
+		String classPath,
+		String registryName,
+		String codeName,
+		String languageNode
+	) {
+		if (!Skript.classExists(classPath))
+			return null;
+		Registry<R> registry = null;
+		if (BukkitUtils.registryExists(registryName)) {
+			try {
+				//noinspection unchecked
+				registry = (Registry<R>) Registry.class.getField(registryName).get(null);
+			} catch (NoSuchFieldException | IllegalAccessException e) {
+				throw new RuntimeException(e);
+			}
+		} else if (PaperUtils.registryExists(registryName)) {
+			registry = PaperUtils.getBukkitRegistry(registryName);
+		}
+		if (registry != null) {
+			Class<R> registryClass;
+			try {
+				//noinspection unchecked
+				registryClass = (Class<R>) Class.forName(classPath);
+			} catch (ClassNotFoundException e) {
+				Skript.debug("Could not retrieve the class with the path: '" + classPath + "'.");
+				throw new RuntimeException(e);
+			}
+			return new RegistryClassInfo<>(registryClass, registry, codeName, languageNode);
+		}
+		Skript.debug("There were no registries found for '" + registryName + "'.");
+		return null;
+	}
+
 }

src/main/java/ch/njol/skript/classes/data/BukkitClasses.java

@@ -1418,7 +1418,7 @@ public String toVariableNameString(EnchantmentOffer eo) {
 				.description("Represents the cause of the action of a potion effect on an entity, e.g. arrow, command")
 				.since("2.10"));
 
-		ClassInfo<?> wolfVariantClassInfo = getRegistryClassInfo(
+		ClassInfo<?> wolfVariantClassInfo = BukkitUtils.getRegistryClassInfo(
 			"org.bukkit.entity.Wolf$Variant",
 			"WOLF_VARIANT",
 			"wolfvariant",
@@ -1566,7 +1566,7 @@ public String toVariableNameString(WorldBorder border) {
 			.since("2.11")
 		);
 
-		ClassInfo<?> pigVariantClassInfo = getRegistryClassInfo(
+		ClassInfo<?> pigVariantClassInfo = BukkitUtils.getRegistryClassInfo(
 			"org.bukkit.entity.Pig$Variant",
 			"PIG_VARIANT",
 			"pigvariant",
@@ -1585,7 +1585,7 @@ public String toVariableNameString(WorldBorder border) {
 			.requiredPlugins("Minecraft 1.21.5+")
 			.documentationId("PigVariant"));
 
-		ClassInfo<?> chickenVariantClassInfo = getRegistryClassInfo(
+		ClassInfo<?> chickenVariantClassInfo = BukkitUtils.getRegistryClassInfo(
 			"org.bukkit.entity.Chicken$Variant",
 			"CHICKEN_VARIANT",
 			"chickenvariant",
@@ -1605,7 +1605,7 @@ public String toVariableNameString(WorldBorder border) {
 			.documentationId("ChickenVariant")
 		);
 
-		ClassInfo<?> cowVariantClassInfo = getRegistryClassInfo(
+		ClassInfo<?> cowVariantClassInfo = BukkitUtils.getRegistryClassInfo(
 			"org.bukkit.entity.Cow$Variant",
 			"COW_VARIANT",
 			"cowvariant",
@@ -1633,48 +1633,4 @@ public String toVariableNameString(WorldBorder border) {
 		);
 
 	}
-
-	/**
-	 * Gets a {@link RegistryClassInfo} by checking if the {@link Class} from {@code classPath} exists
-	 * and {@link Registry} or {@link io.papermc.paper.registry.RegistryKey} contains {@code registryName}.
-	 * @param classPath The {@link String} representation of the desired {@link Class}.
-	 * @param registryName The {@link String} representation of the desired {@link Registry}.
-	 * @param codeName The name used in patterns.
-	 * @param languageNode The language node of the type.
-	 * @return {@link RegistryClassInfo} if the class and registry exists, otherwise {@code null}.
-	 */
-	private static <R extends Keyed> @Nullable RegistryClassInfo<?> getRegistryClassInfo(
-		String classPath,
-		String registryName,
-		String codeName,
-		String languageNode
-	) {
-		if (!Skript.classExists(classPath))
-			return null;
-		Registry<R> registry = null;
-		if (BukkitUtils.registryExists(registryName)) {
-			try {
-				//noinspection unchecked
-				registry = (Registry<R>) Registry.class.getField(registryName).get(null);
-			} catch (NoSuchFieldException | IllegalAccessException e) {
-				throw new RuntimeException(e);
-			}
-		} else if (PaperUtils.registryExists(registryName)) {
-			registry = PaperUtils.getBukkitRegistry(registryName);
-		}
-		if (registry != null) {
-			Class<R> registryClass;
-			try {
-				//noinspection unchecked
-				registryClass = (Class<R>) Class.forName(classPath);
-			} catch (ClassNotFoundException e) {
-				Skript.debug("Could not retrieve the class with the path: '" + classPath + "'.");
-				throw new RuntimeException(e);
-			}
-			return new RegistryClassInfo<>(registryClass, registry, codeName, languageNode);
-		}
-		Skript.debug("There were no registries found for '" + registryName + "'.");
-		return null;
-	}
-
 }