/// <summary>
/// Complements the specified character in this set. The character
/// will be removed if it is in this set, or will be added if it is
/// not in this set.
/// </summary>
/// <draft>ICU4N 60.1</draft>
/// <provisional>This API might change or be removed in a future release.</provisional>
public static UnicodeSet Complement(this UnicodeSet set, int c)
{
if (set == null)
{
throw new ArgumentNullException(nameof(set));
}
return(set.Complement(c));
}