@property
def study_id(self):
    'Return the study ID.\n\n        .. deprecated:: 0.20.0\n            The direct use of this attribute is deprecated and it is recommended that you use\n            :attr:`~optuna.structs.StudySummary.study_name` instead.\n\n        Returns:\n            The study ID.\n        '
    message = 'The use of `StudySummary.study_id` is deprecated. Please use `StudySummary.study_name` instead.'
    warnings.warn(message, DeprecationWarning)
    logger = logging.get_logger(__name__)
    logger.warning(message)
    return self._study_id
Return the study ID.

.. deprecated:: 0.20.0
    The direct use of this attribute is deprecated and it is recommended that you use
    :attr:`~optuna.structs.StudySummary.study_name` instead.

Returns:
    The study ID.
@property
def study_id(self):
    'Return the study ID.\n\n        .. deprecated:: 0.20.0\n            The direct use of this attribute is deprecated and it is recommended that you use\n            :attr:`~optuna.structs.StudySummary.study_name` instead.\n\n        Returns:\n            The study ID.\n        '
    message = 'The use of `StudySummary.study_id` is deprecated. Please use `StudySummary.study_name` instead.'
    warnings.warn(message, DeprecationWarning)
    logger = logging.get_logger(__name__)
    logger.warning(message)
    return self._study_id