# File lib/fog/identity/openstack/v3/requests/check_domain_group_role.rb, line 6
          def check_domain_group_role(id, group_id, role_id)
            request(
              :expects => [204],
              :method  => 'HEAD',
              :path    => "domains/#{id}/groups/#{group_id}/roles/#{role_id}"
            )
          end