'Adds \'download_data\' specific options to the \'parser\' passed in.
Args:
parser: An instance of OptionsParser.'

def _CreateBulkloadConfigOptions(self, parser):

    self._PerformLoadOptions(parser)
    parser.add_option('--filename', type='string', dest='filename', action='store', help='The    name    of    the    file    where    the    generated    template    is    to    be    written.    (Required)')
    parser.add_option('--result_db_filename', type='string', dest='result_db_filename', action='store', help='Database    to    write    entities    to    during    config    generation.')
