Restore lost player cooldown APIs

Accidentally removed in 0976d52bbd

Spigot-API-Patches/0154-Material-API-additions.patch

@@ -1,44 +0,0 @@
-From d4d37f326a358195017d5c6cb1b72631cfeb1dfe Mon Sep 17 00:00:00 2001
-From: Aikar <aikar@aikar.co>
-Date: Sat, 6 Oct 2018 21:14:29 -0400
-Subject: [PATCH] Material API additions
-
-
-diff --git a/src/main/java/org/bukkit/Material.java b/src/main/java/org/bukkit/Material.java
-index 6120955b1..c628a9349 100644
---- a/src/main/java/org/bukkit/Material.java
-+++ b/src/main/java/org/bukkit/Material.java
-@@ -74,6 +74,7 @@ import org.jetbrains.annotations.Nullable;
- /**
-  * An enum of all material IDs accepted by the official server and client
-  */
-+@SuppressWarnings({"DeprecatedIsStillUsed", "deprecation"}) // Paper
- public enum Material implements Keyed {
-     //<editor-fold desc="Materials" defaultstate="collapsed">
-     ACACIA_BOAT(27326, 1),
-@@ -2986,6 +2987,22 @@ public enum Material implements Keyed {
-         }
-     }
- 
-+    // Paper start
-+
-+    /**
-+     * @return If the type is either AIR, CAVE_AIR or VOID_AIR
-+     */
-+    public boolean isEmpty() {
-+        switch (this) {
-+            case AIR:
-+            case CAVE_AIR:
-+            case VOID_AIR:
-+                return true;
-+        }
-+        return false;
-+    }
-+    // Paper end
-+
-     /**
-      * Do not use for any reason.
-      *
--- 
-2.21.0
-