def METHOD_NAME(source: dict[Any, Any]) -> dict[Any, Any]:
    """clean source of all Models that would interfere with the JSONField.
    Models are replaced with a dictionary of {
        app: str,
        name: str,
        pk: Any
    }"""
    final_dict = {}
    for key, value in source.items():
        new_value = sanitize_item(value)
        if new_value is not ...:
            final_dict[key] = new_value
    return final_dict