Code Generation for TypedKeys (#9233)

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

patches/api/0050-Fireworks-API-s.patch

@@ -0,0 +1,33 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Wed, 28 Dec 2016 01:18:55 -0500
+Subject: [PATCH] Fireworks API's
+
+Get the Entity being boosted
+Get the firework launcher
+
+diff --git a/src/main/java/org/bukkit/entity/Firework.java b/src/main/java/org/bukkit/entity/Firework.java
+index e750b34d7d067a5f2f5587853274b6f479cc4fd6..0d31aa0b22cf1e849572294e2cfe38b48c9210af 100644
+--- a/src/main/java/org/bukkit/entity/Firework.java
++++ b/src/main/java/org/bukkit/entity/Firework.java
+@@ -111,4 +111,20 @@ public interface Firework extends Projectile {
+      * @param shotAtAngle the new shotAtAngle
+      */
+     void setShotAtAngle(boolean shotAtAngle);
++
++    // Paper start
++    @org.jetbrains.annotations.Nullable
++    public java.util.UUID getSpawningEntity();
++    /**
++     * If this firework is boosting an entity, return it
++     * @deprecated use {@link #getAttachedTo()}
++     * @see #setAttachedTo(LivingEntity)
++     * @return The entity being boosted
++     */
++    @org.jetbrains.annotations.Nullable
++    @Deprecated
++    default LivingEntity getBoostedEntity() {
++        return getAttachedTo();
++    }
++    // Paper end
+ }