More Chest Block API

paper-api/src/main/java/org/bukkit/block/Chest.java

@@ -27,4 +27,14 @@ public interface Chest extends Container, LootableBlockInventory, Lidded { // Pa
      */
     @NotNull
     Inventory getBlockInventory();
+
+    // Paper start - More Chest Block API
+    /**
+     * Checks whether this chest is blocked
+     * by either a block above or a sitting cat
+     *
+     * @return whether this chest is blocked
+     */
+    boolean isBlocked();
+    // Paper end - More Chest Block API
 }

paper-api/src/main/java/org/bukkit/block/EnderChest.java

@@ -3,4 +3,13 @@ package org.bukkit.block;
 /**
  * Represents a captured state of an ender chest.
  */
-public interface EnderChest extends Lidded, TileState { }
+public interface EnderChest extends Lidded, TileState {
+    // Paper start - More Chest Block API
+    /**
+     * Checks whether this ender chest is blocked by a block above
+     *
+     * @return whether this ender chest is blocked
+     */
+    boolean isBlocked();
+    // Paper end - More Chest Block API
+}