public Request batchAsync(final @NonNull JSONArray operations, CompletionHandler completionHandler) {
        return batchAsync(operations, /* requestOptions: */ null, completionHandler);
    }
public Request batchAsync(final @NonNull JSONArray operations, CompletionHandler completionHandler) {
        return batchAsync(operations,  null, completionHandler);
    }
public Request batchAsync ( final @ NonNull JSONArray operations , CompletionHandler completionHandler ) { return batchAsync ( operations , /* requestOptions: */ null , completionHandler ) ; }
Batch operations.

@param operations        List of operations.
@param completionHandler The listener that will be notified of the request's outcome.
@return A cancellable request.
Batch operations .