public static bool IsAnyFlagUnset <TEnum>(this TEnum value, TEnum flag) where TEnum : struct, IComparable, IFormattable, IConvertible => !Holder <TEnum> .IsFlagSetCallback(value, flag);
public static bool IsAnyFlagUnset <TEnum>(this TEnum value, TEnum flag) where TEnum : struct, Enum => !Holder <TEnum> .IsFlagSetCallback(value, flag);