@abc.abstractmethod<EOL><INDENT>def get_value_spatial_unit_record_type(self):<DEDENT>
return<EOL>
Gets the type of the value if the syntax is a spatial unit.

        :return: the type of the values
        :rtype: ``osid.type.Type``
        :raise: ``IllegalState`` -- ``get_value_syntax() != spatialunit``

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