def _add_delete_key_pb(self):
        new_mutation = self.mutations.add()
        return new_mutation.delete
Strings are delimited by the first and last (unescaped) double quotes.
dataset/ETHPy150Open GoogleCloudPlatform/gcloud-python/gcloud/datastore/batch.py/Batch._add_delete_key_pb--crossover with--dataset/ETHPy150Open kvalle/diy-lisp/tests/test_8_final_touches.py/test_parsing_strings_are_closed_by_first_closing_quotes