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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def clear(self):
 """ Clears the registry """

        with self.__svc_lock:
            self.__svc_registry.clear()
            self.__svc_factories.clear()
            self.__svc_specs.clear()
            self.__bundle_svc.clear()
            self.__bundle_imports.clear()
            self.__factory_usage.clear()
            self.__pending_services.clear()