From 9b997d2195c7b797eb542d8774d684a9a1fd5286 Mon Sep 17 00:00:00 2001
From: Hannes Greule <hannesgreule@outlook.de>
Date: Tue, 5 May 2020 11:27:44 +0200
Subject: [PATCH] Make constructor private

---
 .../plotsquared/core/plot/flag/types/BlockTypeWrapper.java    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Core/src/main/java/com/plotsquared/core/plot/flag/types/BlockTypeWrapper.java b/Core/src/main/java/com/plotsquared/core/plot/flag/types/BlockTypeWrapper.java
index 537515f0a..defeb4470 100644
--- a/Core/src/main/java/com/plotsquared/core/plot/flag/types/BlockTypeWrapper.java
+++ b/Core/src/main/java/com/plotsquared/core/plot/flag/types/BlockTypeWrapper.java
@@ -61,9 +61,9 @@ public class BlockTypeWrapper {
         this.blockCategoryId = null;
     }
 
-    public BlockTypeWrapper(@Nullable String blockCategoryId) {
+    private BlockTypeWrapper(@NotNull final String blockCategoryId) {
         this.blockType = null;
-        this.blockCategoryId = blockCategoryId;
+        this.blockCategoryId = Preconditions.checkNotNull(blockCategoryId);
         this.blockCategory = null;
     }