public long sizeInBytes() {
    return BLOB_ID_LIST_SIZE_IN_BYTES + totalBlobIdsSizeInBytes;
  }
Returns the size of the serialized form of this {@link BatchDeletePartitionRequestInfo} in bytes.
@return the size of the serialized form of this {@link BatchDeletePartitionRequestInfo} in bytes.
ambry-protocol/src/main/java/com/github/ambry/protocol/BatchDeletePartitionRequestInfo.java