def supports_content_type(self, content_type=None):
if content_type is None:<EOL><INDENT>raise NullArgument()<EOL><DEDENT>return False<EOL>
Tests if the content type is supported.

        arg:    content_type (osid.type.Type): a ``Type`` indicating a
                content type
        return: (boolean) - ``true`` if the given ``Type`` is supported,
                ``false`` otherwise
        raise:  NullArgument - ``content_type`` is ``null``
        *compliance: mandatory -- This method must be implemented.*