def sts_param_value(param):
    """
    If sts filter is True, apply cross filter.

    If sts filter is False, apply exclude param.
    
    Else - don't apply any filters
    """
    if param == True:
        return {"exclude": False, "x_filter": True}
    elif param == False:
        return {"exclude": True, "x_filter": False}
    else:
        return {"exclude": False, "x_filter": False}