public Installation(long?id,
long externalId,
bool isAirly,
InstallationLocation location,
InstallationAddress address,
InstallationSponsor sponsor)
{
Id = id;
ExternalId = externalId;
IsAirly = isAirly;
Location = location;
Address = address;
Sponsor = sponsor;
}
public static Installation Create(long externalId,
bool isAirly,
InstallationLocation location,
InstallationAddress address,
InstallationSponsor sponsor)
=> new Installation(null, externalId, isAirly, location, address, sponsor);