23 package com.realtime.crossfire.jxclient.util;
25 import java.util.EventListener;
26 import java.util.HashMap;
28 import org.jetbrains.annotations.NotNull;
43 public void add(
final int index, @NotNull
final T listener) {
52 public void remove(
final int index, @NotNull
final T listener) {
70 if (existingEventListenerList !=
null) {
71 return existingEventListenerList;
76 return eventListenerList;