calIcalProperty::RemoveParameter(const nsACString &param)
calIcalProperty::RemoveParameter(PRUint32 kind)
calIcalProperty::RemoveParameter(const nsACString &param){    icalparameter_kind paramkind =        icalparameter_string_to_kind(PromiseFlatCString(param).get());    if (paramkind == ICAL_NO_PARAMETER || paramkind == ICAL_X_PARAMETER)        return NS_ERROR_INVALID_ARG;    icalproperty_remove_parameter(mProperty, paramkind);    // XXX check ical errno    return NS_OK;}