def import_definitions(self, definitions, d):
        """Import/merge WSDL definitions."""
        definitions.types += d.types
        definitions.messages.update(d.messages)
        definitions.port_types.update(d.port_types)
        definitions.bindings.update(d.bindings)
        self.imported = d
        log.debug("imported (WSDL):\n%s", d)