'Delete unused volumes
Args:
filters (dict): Filters to process on the prune list.
Returns:
(dict): A dict containing a list of deleted volume names and
the amount of disk space reclaimed in bytes.
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.'

@utils.minimum_version('1.25')
def prune_volumes(self, filters=None):

    params = {}
    if filters:
        params['filters'] = utils.convert_filters(filters)
    url = self._url('/volumes/prune')
    return self._result(self._post(url, params=params), True)
