almost done :)

api/src/main/java/us/ajg0702/queue/api/EventHandler.java

@@ -1,6 +1,8 @@
 package us.ajg0702.queue.api;
 
+import net.kyori.adventure.text.Component;
 import us.ajg0702.queue.api.players.AdaptedPlayer;
+import us.ajg0702.queue.api.server.AdaptedServer;
 
 public interface EventHandler {
 
@@ -9,4 +11,13 @@ public interface EventHandler {
     void onPlayerJoin(AdaptedPlayer player);
 
     void onPlayerLeave(AdaptedPlayer player);
+
+    /**
+     * Called when a player joins a server or switches between servers
+     * @param player the player
+     */
+    void
+    onPlayerJoinServer(AdaptedPlayer player);
+
+    void onServerKick(AdaptedPlayer player, AdaptedServer from, Component reason, boolean moving);
 }

api/src/main/java/us/ajg0702/queue/api/QueueManager.java

@@ -116,4 +116,6 @@ public interface QueueManager {
      * @return A list of QueueServers that this player is queued for
      */
     ImmutableList<QueueServer> getPlayerQueues(AdaptedPlayer p);
+
+    void clear(AdaptedPlayer player);
 }

api/src/main/java/us/ajg0702/queue/api/server/ServerBuilder.java

@@ -8,6 +8,4 @@ public interface ServerBuilder {
     List<QueueServer> buildServers();
 
     AdaptedServer getServer(String name);
-
-    QueueServer buildGroup(String name, List<AdaptedServer> servers);
 }