public class ConnectionStringSettings : IConnectionStringSettings
    {
        public string ConnectionString { get; set; }
        public string Name { get; set; }
        public string ProviderName { get; set; }
        public bool IsGlobal => false;
    }

    public class MySettings : ILinqToDBSettings
    {
        public IEnumerable<IDataProviderSettings> DataProviders
        {
            get { yield break; }
        }

        public string DefaultConfiguration => "Mysql";
        public string DefaultDataProvider => "MySql";

        public IEnumerable<IConnectionStringSettings> ConnectionStrings
        {
            get
            {
                yield return
                    new ConnectionStringSettings
                    {
                        Name = "TDatabase",
                        ProviderName = "MySql",
                        ConnectionString = @"Server=;Port=;Database=;Uid=;Pwd=;charset=;"
                    };
            }
        }
    }