default boolean uploadBlobs(MessageFormatWriteSet messageSetToWrite) throws CloudStorageException {
    throw new UnsupportedOperationException("uploadBlobs is not be implemented");
  }
Upload blob to the cloud destination.
@param blobId of the Ambry blob
@param inputLength the length of the input stream, if known, -1 if unknown.
@param cloudBlobMetadata the {@link CloudBlobMetadata} for the blob being uploaded.
@param blobInputStream the stream to read blob data
@return flag indicating whether the blob was uploaded
@throws CloudStorageException if the upload encounters an error.
ambry-cloud/src/main/java/com/github/ambry/cloud/CloudDestination.java