namespace View_by_Distance.Shared.Models.Stateless.Methods; public interface IPerson { // ... string TestStatic_GetFileFullName(Properties.IStorage storage, string personBirthdayFormat, Models.Person person) => GetFileFullName(storage, personBirthdayFormat, person); static string GetFileFullName(Properties.IStorage storage, string personBirthdayFormat, Models.Person person) => PersonBirthday.GetFileFullName(storage, personBirthdayFormat, person.Birthday); Models.Person TestStatic_GetPerson(string personDisplayDirectoryName, long personKey, Models.PersonBirthday personBirthday) => GetPerson(personDisplayDirectoryName, personKey, personBirthday); static Models.Person GetPerson(string personDisplayDirectoryName, long personKey, Models.PersonBirthday personBirthday) => Person.GetPerson(personKey, personBirthday, personDisplayDirectoryName.Split(IAge.GetChars())); Models.Person TestStatic_GetPerson(long personKey, string[] segments) => GetPerson(personKey, segments); static Models.Person GetPerson(long personKey, string[] segments) => Person.GetPerson(personKey, IPersonBirthday.GetPersonBirthday(personKey), segments); }