@abc.abstractmethod<EOL><INDENT>def get_format_types_for_source(self, source_format_type):<DEDENT>
return<EOL>
Gets the list of target format types for a given source spatial unit type.

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

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