code: public ChunkedUploadResponse getChunkedUpload(String accountId, String chunkedUploadId) throws ApiException {
      return getChunkedUpload(accountId, chunkedUploadId, null);
    }
docs: Retrieves the current metadata of a ChunkedUpload.
  
  @param accountId The external account number (int) or account ID Guid. (required)
  @param chunkedUploadId  (required)
  @return ChunkedUploadResponse