public AffixEntryGroup <TEntry> ToGroup() => new AffixEntryGroup <TEntry>(AFlag, Options, AffixEntryCollection <TEntry> .Create(Entries));
public AffixEntryGroup(FlagValue aFlag, AffixEntryOptions options, AffixEntryCollection <TEntry> entries)
{
AFlag = aFlag;
Options = options;
Entries = entries;
}