def reserved_parameters(
        self,
    ) -> dict[ReservedParameterSpecification, Optional[inspect.Parameter]]:
        """Mapping of reserved parameter specification to parameter."""
        parameters = tuple(self.signature.parameters.values())
        return {spec: spec.find(parameters, self) for spec in self.RESERVED_PARAMSPEC}
Mapping of reserved parameter specification to parameter.
strawberry/types/fields/resolver.py