Code Generation for TypedKeys (#9233)

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

patches/api/0400-Add-Sneaking-API-for-Entities.patch

@@ -0,0 +1,56 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: dawon <dawon@dawon.eu>
+Date: Wed, 19 Oct 2022 23:36:42 +0200
+Subject: [PATCH] Add Sneaking API for Entities
+
+
+diff --git a/src/main/java/org/bukkit/entity/Entity.java b/src/main/java/org/bukkit/entity/Entity.java
+index 7f341ba602f0ecbc2953bb19589146b5ae5d0ea9..9c7eba228dc1c244d49cb5139e1710804b887d6a 100644
+--- a/src/main/java/org/bukkit/entity/Entity.java
++++ b/src/main/java/org/bukkit/entity/Entity.java
+@@ -779,6 +779,25 @@ public interface Entity extends Metadatable, CommandSender, Nameable, Persistent
+     @NotNull
+     Pose getPose();
+ 
++    // Paper start
++    /**
++     * Returns if the entity is in sneak mode
++     *
++     * @return true if the entity is in sneak mode
++     */
++    boolean isSneaking();
++
++    /**
++     * Sets the sneak mode the entity.
++     * <p>
++     * Note: For most Entities this does not update Entity's pose
++     * and just makes its name tag less visible.
++     *
++     * @param sneak true if the entity should be sneaking
++     */
++    void setSneaking(boolean sneak);
++    // Paper end
++
+     /**
+      * Get the category of spawn to which this entity belongs.
+      *
+diff --git a/src/main/java/org/bukkit/entity/Player.java b/src/main/java/org/bukkit/entity/Player.java
+index fdb0b8b81e53c85c865c4a3a895719f5afbffd17..2e4b2ad1907a2d5f4462c5fd2d1482f2bb623d3b 100644
+--- a/src/main/java/org/bukkit/entity/Player.java
++++ b/src/main/java/org/bukkit/entity/Player.java
+@@ -414,6 +414,7 @@ public interface Player extends HumanEntity, Conversable, OfflinePlayer, PluginM
+      *
+      * @return true if player is in sneak mode
+      */
++    @Override // Paper
+     public boolean isSneaking();
+ 
+     /**
+@@ -421,6 +422,7 @@ public interface Player extends HumanEntity, Conversable, OfflinePlayer, PluginM
+      *
+      * @param sneak true if player should appear sneaking
+      */
++    @Override // Paper
+     public void setSneaking(boolean sneak);
+ 
+     /**