code: def get_sym_srv_debug_entry_client_key(self, debug_entry_client_key):
          
          route_values = {}
          if debug_entry_client_key is not None:
              route_values['debugEntryClientKey'] = self._serialize.url('debug_entry_client_key', debug_entry_client_key, 'str')
          self._send(http_method='GET',
                     location_id='9648e256-c9f9-4f16-8a27-630b06396942',
                     version='5.0-preview.1',
                     route_values=route_values)
docs: GetSymSrvDebugEntryClientKey.
          [Preview API] Given a client key, returns the best matched debug entry.
          :param str debug_entry_client_key: A "client key" used by both ends of Microsoft's symbol protocol to identify a debug entry. The semantics of client key is governed by symsrv and is beyond the scope of this documentation.