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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:
 async def close(self) -> None: """ Close search. """


        LOGGER.debug('StorageRecordSearch.close >>>')

        if self._handle:
            await non_secrets.close_wallet_search(self.handle)
            self._handle = None

        LOGGER.debug('StorageRecordSearch.close <<<')