code: @Override
      public java.util.concurrent.Future<RemovePermissionResult> removePermissionAsync(String topicArn, String label,
              com.amazonaws.handlers.AsyncHandler<RemovePermissionRequest, RemovePermissionResult> asyncHandler) {
  
          return removePermissionAsync(new RemovePermissionRequest().withTopicArn(topicArn).withLabel(label), asyncHandler);
      }
docs: Simplified method form for invoking the RemovePermission operation with an AsyncHandler.
  
  @see #removePermissionAsync(RemovePermissionRequest, com.amazonaws.handlers.AsyncHandler)