NS_IMETHODIMP calIcalProperty::ToString(nsACString& aResult) { return GetIcalString(aResult); }
NS_IMETHODIMP calDuration::ToString(nsACString& aResult) { return GetIcalString(aResult); }
NS_IMETHODIMP calPeriod::ToString(nsACString &aResult) { return GetIcalString(aResult); }