static public int GetWholeMinutes(this Duration item, out Duration remainder)
{
int whole_minutes = item.GetWholeMinutes();
remainder = item - Duration.Minutes(whole_minutes);
return(whole_minutes);
}
static public int GetSlowRotatingHashCodeEX(this Object item)
{
return(item.GetRotatingHashCodeEX(Duration.Minutes(1.0f)));
}