code: public List<Extension> getLoadedExtensions() {
  		if (loadedExtensions == null) {
  			return Collections.emptyList();
  		}
  		return Collections.unmodifiableList(loadedExtensions);
  	}
docs: Gets the extensions of this add-on that were loaded.
  
  @return an unmodifiable {@code List} with the extensions of this add-on that were loaded
  @since 2.4.0