@abc.abstractmethod<EOL><INDENT>def get_resources_at_location_by_genus_type(self, location_id, resource_genus_type):<DEDENT>
return<EOL>
Gets the current resources at or within the given location for a resource genus type.

        :param location_id: a location ``Id``
        :type location_id: ``osid.id.Id``
        :param resource_genus_type: a resource genus type
        :type resource_genus_type: ``osid.type.Type``
        :return: the resources at the location
        :rtype: ``osid.mapping.ResourceLocationList``
        :raise: ``NotFound`` -- ``location_id`` not found
        :raise: ``NullArgument`` -- ``location_id`` or ``resource_genus_type`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure

        *compliance: mandatory -- This method must be implemented.*