@property<EOL><INDENT>def source_address(self):<DEDENT>
<EOL>if self._pn_link.is_sender:<EOL><INDENT>return self._pn_link.source.address<EOL><DEDENT>else:<EOL><INDENT>return self._pn_link.remote_source.address<EOL><DEDENT>
Return the authorative source of the link.