Also use fluent getter

Author: Owen1212055

paper-api/src/main/java/org/bukkit/WorldCreator.java

@@ -238,7 +238,7 @@ public WorldCreator parentDirectory(@NotNull Path override) {
      * @return the parent directory used for world storage
      */
     @NotNull
-    public Path getParentDirectory() {
+    public Path parentDirectory() {
         return this.parentDirectory;
     }
 

paper-server/src/main/java/org/bukkit/craftbukkit/CraftServer.java

@@ -1182,7 +1182,7 @@ public World createWorld(WorldCreator creator) {
         String name = creator.name();
         ChunkGenerator chunkGenerator = creator.generator();
         BiomeProvider biomeProvider = creator.biomeProvider();
-        File folder = new File(creator.getParentDirectory().toFile(), name);
+        File folder = new File(creator.parentDirectory().toFile(), name);
         World world = this.getWorld(name);
 
         // Paper start
@@ -1219,7 +1219,7 @@ public World createWorld(WorldCreator creator) {
             Path serverRoot = this.getWorldContainer().toPath();
             // Make sure parsing off server root for symlinks
             DirectoryValidator directoryValidator = LevelStorageSource.parseValidator(serverRoot.resolve("allowed_symlinks.txt"));
-            LevelStorageSource levelStorageSource = new LevelStorageSource(creator.getParentDirectory(), serverRoot.resolve("../backups"), directoryValidator, DataFixers.getDataFixer());
+            LevelStorageSource levelStorageSource = new LevelStorageSource(creator.parentDirectory(), serverRoot.resolve("../backups"), directoryValidator, DataFixers.getDataFixer());
 
             levelStorageAccess = levelStorageSource.validateAndCreateAccess(name, actualDimension);
         } catch (IOException | ContentValidationException ex) {