Remove unused methods in Result

src/main/java/io/weaviate/client/base/Result.java

@@ -14,7 +14,6 @@
 @ToString
 @FieldDefaults(makeFinal = true, level = AccessLevel.PRIVATE)
 public class Result<T> {
-  int statusCode;
   T result;
   WeaviateError error;
 
@@ -23,7 +22,6 @@ public Result(Response<T> response) {
   }
 
   public Result(int statusCode, T body, WeaviateErrorResponse errors) {
-    this.statusCode = statusCode;
     if (errors != null && errors.getError() != null) {
       List<WeaviateErrorMessage> items = errors.getError().stream().filter(Objects::nonNull).collect(Collectors.toList());
       this.error = new WeaviateError(statusCode, items);
@@ -37,17 +35,17 @@ public Result(int statusCode, T body, WeaviateErrorResponse errors) {
     }
   }
 
+  public boolean hasErrors() {
+    return this.error != null;
+  }
+
   /**
    * Copy the Result object with a null body, preserving only the status code and the error message.
-   * 
-   * @param <NULL> Would-be response type. It's required for type safety, but can be anything since the body is always set to null.
+   *
+   * @param <C> Would-be response type. It's required for type safety, but can be anything since the body is always set to null.
    * @return A copy of this Result.
    */
-  public <NULL> Result<NULL> toErrorResult() {
+  public <C> Result<C> toErrorResult() {
     return new Result<>(this.error.getStatusCode(), null, WeaviateErrorResponse.builder().error(this.error.getMessages()).build());
   }
-
-  public boolean hasErrors() {
-    return this.error != null;
-  }
 }

src/main/java/io/weaviate/client/v1/async/schema/api/ShardsUpdater.java

@@ -65,7 +65,7 @@ public Future<Result<ShardStatus[]>> run(FutureCallback<Result<ShardStatus[]>> c
       try {
         Result<Shard[]> shards = this.shardsGetter.withClassName(this.className).run().get();
         if (shards.hasErrors()) {
-          return shards.<ShardStatus[]>toErrorResult();
+          return shards.toErrorResult();
         }
 
         List<ShardStatus> shardStatuses = new ArrayList<>();
@@ -75,12 +75,12 @@ public Future<Result<ShardStatus[]>> run(FutureCallback<Result<ShardStatus[]>> c
             .withShardName(shard.getName())
             .withStatus(this.status).run().get();
           if (update.hasErrors()) {
-            return update.<ShardStatus[]>toErrorResult();
+            return update.toErrorResult();
           }
           shardStatuses.add(update.getResult());
         }
 
-        return new Result<ShardStatus[]>(HttpStatus.SC_OK, shardStatuses.toArray(new ShardStatus[shardStatuses.size()]), null);
+        return new Result<>(HttpStatus.SC_OK, shardStatuses.toArray(new ShardStatus[shardStatuses.size()]), null);
       } catch (ExecutionException | InterruptedException e) {
         throw new CompletionException(e);
       }