@abc.abstractmethod<EOL><INDENT>def get_unit_types_for_source(self, source_unit_type):<DEDENT>
return<EOL>
Gets the list of target measure types for a given source measure type.

        :param source_unit_type: the type of the source measure
        :type source_unit_type: ``osid.type.Type``
        :return: the list of supported target measure types
        :rtype: ``osid.type.TypeList``
        :raise: ``NullArgument`` -- ``source_unit_type`` is ``null``

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