def METHOD_NAME(stream_slice: Mapping[str, Any]) -> Mapping[str, Any]:
    """
    Produces the date range parameters from input stream_slice
    """
    date_range = stream_slice["dateRange"]
    return {
        "dateRange": f"(start:(year:{date_range['start.year']},month:{date_range['start.month']},day:{date_range['start.day']}),"
        f"end:(year:{date_range['end.year']},month:{date_range['end.month']},day:{date_range['end.day']}))",
        # Chunk of fields
        "fields": stream_slice["fields"],
    }