Implement server ping method.

api/src/main/java/net/md_5/bungee/api/ServerPing.java

@@ -25,9 +25,9 @@ public class ServerPing
     /**
      * Current amount of players on the server.
      */
-    private final String currentPlayers;
+    private final int currentPlayers;
     /**
      * Max amount of players the server will allow.
      */
-    private final String maxPlayers;
+    private final int maxPlayers;
 }

api/src/main/java/net/md_5/bungee/api/event/ProxyPingEvent.java

@@ -1,30 +1,27 @@
 package net.md_5.bungee.api.event;
 
-import java.net.InetSocketAddress;
+import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.ToString;
 import net.md_5.bungee.api.ServerPing;
-import net.md_5.bungee.api.config.ListenerInfo;
+import net.md_5.bungee.api.connection.PendingConnection;
 import net.md_5.bungee.api.plugin.Event;
 
 /**
  * Called when the proxy is pinged with packet 0xFE from the server list.
  */
 @Data
+@AllArgsConstructor
 @ToString(callSuper = true)
 @EqualsAndHashCode(callSuper = true)
 public class ProxyPingEvent extends Event
 {
 
     /**
-     * The address of the user pinging.
+     * The connection asking for a ping response.
      */
-    private final InetSocketAddress remoteAddress;
-    /**
-     * The data corresponding to the server which received this ping.
-     */
-    private final ListenerInfo server;
+    private final PendingConnection connection;
     /**
      * The data to respond with.
      */