Add a couple of permissions

worldedit-bukkit/src/main/java/com/boydti/fawe/bukkit/wrapper/AsyncBlock.java

@@ -426,6 +426,12 @@ public class AsyncBlock implements Block {
         throw new UnsupportedOperationException("FAWE does not support this yet");
     }
 
+    @Nonnull
+    @Override
+    public float getDestroySpeed(@Nonnull ItemStack itemStack, boolean considerEnchants) {
+        throw new UnsupportedOperationException("FAWE does not support this yet");
+    }
+
     @Nonnull
     @Override
     public BoundingBox getBoundingBox() {

worldedit-core/src/main/java/com/sk89q/worldedit/command/WorldEditCommands.java

@@ -178,7 +178,7 @@ public class WorldEditCommands {
         name = "cui",
         desc = "Complete CUI handshake (internal usage)"
     )
-    @CommandPermissions()
+    @CommandPermissions(value = "worldedit.cui", queued = false)
     public void cui(Player player, LocalSession session) {
         session.setCUISupport(true);
         session.dispatchCUISetup(player);
@@ -188,6 +188,7 @@ public class WorldEditCommands {
         name = "tz",
         desc = "Set your timezone for snapshots"
     )
+    @CommandPermissions(value = "worldedit.timezone", queued = false)
     public void tz(Actor actor, LocalSession session,
                    @Arg(desc = "The timezone to set")
                        String timezone) {