Code Generation for TypedKeys (#9233)

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

patches/api/0177-Mob-Spawner-API-Enhancements.patch

@@ -0,0 +1,41 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: William Blake Galbreath <blake.galbreath@gmail.com>
+Date: Fri, 19 Apr 2019 12:41:19 -0500
+Subject: [PATCH] Mob Spawner API Enhancements
+
+
+diff --git a/src/main/java/org/bukkit/block/CreatureSpawner.java b/src/main/java/org/bukkit/block/CreatureSpawner.java
+index 8dae9611e702d93b202563597c50752c5f5b77d4..3dcab76632c4f8646d7ae62bb8de287eb6ef55b5 100644
+--- a/src/main/java/org/bukkit/block/CreatureSpawner.java
++++ b/src/main/java/org/bukkit/block/CreatureSpawner.java
+@@ -199,4 +199,30 @@ public interface CreatureSpawner extends TileState {
+      * @see #getSpawnRange()
+      */
+     public void setSpawnRange(int spawnRange);
++
++    // Paper start
++    /**
++     * Check if spawner is activated (a player is close enough)
++     *
++     * @return True if a player is close enough to activate it
++     */
++    public boolean isActivated();
++
++    /**
++     * Resets the spawn delay timer within the min/max range
++     */
++    public void resetTimer();
++
++    /**
++     * Sets the {@link EntityType} to {@link EntityType#DROPPED_ITEM} and sets the data to the given
++     * {@link org.bukkit.inventory.ItemStack ItemStack}.
++     * <p>
++     * {@link #setSpawnCount(int)} does not dictate the amount of items in the stack spawned, but rather how many
++     * stacks should be spawned.
++     *
++     * @param itemStack The item to spawn. Must not {@link org.bukkit.Material#isAir be air}.
++     * @see #setSpawnedType(EntityType)
++     */
++    void setSpawnedItem(org.bukkit.inventory.@org.jetbrains.annotations.NotNull ItemStack itemStack);
++    // Paper end
+ }