from typing import Dict
from typing import Any
import json


def load_model_data(filename: str) -> Dict[Any, Any]:
    """
    Loads some model_data that was generated by the model.

    :param filename:
        The name of the model_data file to open.

    :return:
        The JSON model_data, loaded as a `dict`.

    """

    with open(filename, "r") as f:
        json_data: Dict[Any, Any] = json.load(f)

    return json_data