(self, env: Mapping[str, str])
return self.resolve(env) is not None
Does path exists when evaluated in `env`.
Does path exists when evaluated in `env`.
Does path exists when evaluated in env .
def exists(self, env: Mapping[str, str]) -> bool:
        """Does path exists when evaluated in `env`."""
        return self.resolve(env) is not None
def exists ( self , env : Mapping [ str , str ] ) -> bool : return self . resolve ( env ) is not None