Code Generation for TypedKeys (#9233)

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

patches/api/0429-Add-Listing-API-for-Player.patch

@@ -0,0 +1,43 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Corey Shupe <coreyshupe101@gmail.com>
+Date: Wed, 11 Jan 2023 16:40:31 -0500
+Subject: [PATCH] Add Listing API for Player
+
+
+diff --git a/src/main/java/org/bukkit/entity/Player.java b/src/main/java/org/bukkit/entity/Player.java
+index 0e188288e5ba94b1d17503258c5e1217d08e5549..229bad6cb9433027e06f4247baf7d8c962fdc40b 100644
+--- a/src/main/java/org/bukkit/entity/Player.java
++++ b/src/main/java/org/bukkit/entity/Player.java
+@@ -1838,6 +1838,32 @@ public interface Player extends HumanEntity, Conversable, OfflinePlayer, PluginM
+     @ApiStatus.Experimental
+     public boolean canSee(@NotNull Entity entity);
+ 
++    // Paper start
++    /**
++     * Returns whether the {@code other} player is listed for {@code this}.
++     *
++     * @param other The other {@link Player} to check for listing.
++     * @return True if the {@code other} player is listed for {@code this}.
++     */
++    boolean isListed(@NotNull Player other);
++
++    /**
++     * Unlists the {@code other} player from the tablist.
++     *
++     * @param other The other {@link Player} to de-list.
++     * @return True if the {@code other} player was listed.
++     */
++    boolean unlistPlayer(@NotNull Player other);
++
++    /**
++     * Lists the {@code other} player.
++     *
++     * @param other The other {@link Player} to list.
++     * @return True if the {@code other} player was not listed.
++     */
++    boolean listPlayer(@NotNull Player other);
++    // Paper end
++
+     /**
+      * Checks to see if this player is currently flying or not.
+      *