def _get_prefix_and_model_name()

in src/agents/models/multi_provider.py [0:0]


    def _get_prefix_and_model_name(self, model_name: str | None) -> tuple[str | None, str | None]:
        if model_name is None:
            return None, None
        elif "/" in model_name:
            prefix, model_name = model_name.split("/", 1)
            return prefix, model_name
        else:
            return None, model_name