GetRegions.
        [Preview API]
        :rtype: :class:`<ProfileRegions> <azure.devops.v5_1.profile-regions.models.ProfileRegions>`

def get_regions(self):
        """GetRegions.
        [Preview API]
        :rtype: :class:`<ProfileRegions> <azure.devops.v5_1.profile-regions.models.ProfileRegions>`
        """
        response = self._send(http_method='GET',
                              location_id='b129ca90-999d-47bb-ab37-0dcf784ee633',
                              version='5.1-preview.1')
        return self._deserialize('ProfileRegions', response)