api: make HashTable implement iterable

runelite-api/src/main/java/net/runelite/api/HashTable.java

@@ -24,13 +24,11 @@
  */
 package net.runelite.api;
 
-import java.util.Collection;
-
 /**
  * A data structure that uses a hash function to compute an index into an
  * array of buckets from which node objects can be quickly obtained.
  */
-public interface HashTable<T extends Node>
+public interface HashTable<T extends Node> extends Iterable<T>
 {
 	/**
 	 * Gets a node by its hash value.
@@ -39,11 +37,4 @@ public interface HashTable<T extends Node>
 	 * @return the associated node
 	 */
 	T get(long value);
-
-	/**
-	 * Gets a collection of all nodes stored in this table.
-	 *
-	 * @return the nodes stored
-	 */
-	Collection<T> getNodes();
 }