public Speaker Create(SpeakerName speakerName, SpeakerBio speakerBio, PhoneNumber phoneNumber, EmailAddress emailAddress)
{
return new Speaker(speakerName, speakerBio, phoneNumber, emailAddress);
}
public LocationContact(ContactName contactName, EmailAddress emailAddress, PhoneNumber phoneNumber)
{
ContactName = contactName;
EmailAddress = emailAddress;
PhoneNumber = phoneNumber;
}