Method deserialize

mypy/types.py:2075–2085

(cls, data: JsonDict)

    @classmethod
    def deserialize(cls, data: JsonDict) -> Parameters:
        assert data[".class"] == "Parameters"
        return Parameters(
            [deserialize_type(t) for t in data["arg_types"]],
            # This is a micro-optimization until mypyc gets dedicated enum support. Otherwise,
            # we would spend ~20% of types deserialization time in Enum.__call__().
            [ARG_KINDS[x] for x in data["arg_kinds"]],
            data["arg_names"],
            variables=[cast(TypeVarLikeType, deserialize_type(v)) for v in data["variables"]],
            imprecise_arg_kinds=data["imprecise_arg_kinds"],
        )

    def write(self, data: WriteBuffer) -> None:
        write_tag(data, PARAMETERS)