Implement new method

worldedit-core/src/main/java/com/fastasyncworldedit/core/queue/implementation/blocks/BitSetBlocks.java

@@ -10,6 +10,7 @@ import com.sk89q.worldedit.world.biome.BiomeType;
 import com.sk89q.worldedit.world.block.BlockState;
 import com.sk89q.worldedit.world.block.BlockStateHolder;
 
+import javax.annotation.Nullable;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.Map;
@@ -38,7 +39,6 @@ public class BitSetBlocks implements IChunkSet {
         return row.rows[layer] != MemBlockSet.NULL_ROW_Y;
     }
 
-
     @Override
     public boolean setBiome(int x, int y, int z, BiomeType biome) {
         return false;
@@ -153,6 +153,13 @@ public class BitSetBlocks implements IChunkSet {
         return arr;
     }
 
+    // No need to do anything different
+    @Nullable
+    @Override
+    public char[] loadIfPresent(final int layer) {
+        return load(layer);
+    }
+
     @Override
     public BiomeType[] getBiomes() {
         return null;

worldedit-core/src/main/java/com/fastasyncworldedit/core/queue/implementation/blocks/NullChunkGet.java

@@ -127,6 +127,12 @@ public final class NullChunkGet implements IChunkGet {
         return FaweCache.IMP.EMPTY_CHAR_4096;
     }
 
+    @Nullable
+    @Override
+    public char[] loadIfPresent(final int layer) {
+        return null;
+    }
+
     public boolean hasSection(int layer) {
         return false;
     }

worldedit-core/src/main/java/com/fastasyncworldedit/core/queue/implementation/chunk/ChunkHolder.java

@@ -121,6 +121,12 @@ public class ChunkHolder<T extends Future<T>> implements IQueueChunk<T> {
         return getOrCreateGet().load(layer);
     }
 
+    @Nullable
+    @Override
+    public char[] loadIfPresent(final int layer) {
+        return getOrCreateGet().loadIfPresent(layer);
+    }
+
     @Override
     public boolean isFastMode() {
         return fastmode;

worldedit-core/src/main/java/com/fastasyncworldedit/core/queue/implementation/chunk/NullChunk.java

@@ -172,6 +172,12 @@ public final class NullChunk implements IQueueChunk {
         return null;
     }
 
+    @Nullable
+    @Override
+    public char[] loadIfPresent(final int layer) {
+        return null;
+    }
+
     @Nullable
     public CompoundTag getEntity(@Nonnull UUID uuid) {
         return null;