Code Generation for TypedKeys (#9233)

Currently includes generated key holder classes for types
used in the Registry Modification API

patches/api/0119-Add-World.getEntity-UUID-API.patch

@@ -0,0 +1,28 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Brokkonaut <hannos17@gmx.de>
+Date: Tue, 3 Jul 2018 16:07:16 +0200
+Subject: [PATCH] Add World.getEntity(UUID) API
+
+
+diff --git a/src/main/java/org/bukkit/World.java b/src/main/java/org/bukkit/World.java
+index 266ed71b79d32f9b812be322563c247051ccd9d0..ffe6c8be86fc93d39e256a89e5016e3025afbe5c 100644
+--- a/src/main/java/org/bukkit/World.java
++++ b/src/main/java/org/bukkit/World.java
+@@ -912,6 +912,17 @@ public interface World extends RegionAccessor, WorldInfo, PluginMessageRecipient
+     @NotNull
+     public Collection<Entity> getNearbyEntities(@NotNull Location location, double x, double y, double z);
+ 
++    // Paper start - getEntity by UUID API
++    /**
++     * Gets an entity in this world by its UUID
++     *
++     * @param uuid the UUID of the entity
++     * @return the entity with the given UUID, or null if it isn't found
++     */
++    @Nullable
++    public Entity getEntity(@NotNull java.util.UUID uuid);
++    // Paper end
++
+     /**
+      * Returns a list of entities within a bounding box centered around a
+      * Location.