code: public DataWriterBuilder<S, D> withAttemptId(String attemptId) {
      this.writerAttemptId = attemptId;
      log.debug("With writerAttemptId: {}", this.writerAttemptId);
      return this;
    }
docs: Attempt Id for this writer. There could be two duplicate writers with the same {@link #writerId},
  their writerAttemptId should be different.