using System; namespace Library.Eaf.Core.Smtp { public class EmailMessage { public EmailMessage() { } public EmailMessage(string subject, string body, MailPriority priority = MailPriority.Normal) { } public string Body { get; } public MailPriority Priority { get; } public string Subject { get; } public EmailMessage PriorityHigh() { throw new NotImplementedException(); } public EmailMessage PriorityLow() { throw new NotImplementedException(); } public EmailMessage PriorityNormal() { throw new NotImplementedException(); } public EmailMessage SetBody(string body) { throw new NotImplementedException(); } public EmailMessage SetPriority(MailPriority priority) { throw new NotImplementedException(); } public EmailMessage SetSubject(string subject) { throw new NotImplementedException(); } } }