code: public ListPartsResponse listParts(String bucketName, String key, String uploadId) {
          return this.listParts(new ListPartsRequest(bucketName, key, uploadId));
      }
docs: Lists the parts that have been uploaded for a specific multipart upload.
  
  @param bucketName The name of the bucket containing the multipart upload whose parts are being listed.
  @param key The key of the associated multipart upload whose parts are being listed.
  @param uploadId The ID of the multipart upload whose parts are being listed.
  @return Returns a ListPartsResponse from Bos.