MongoDB.Driver.MongoClientSettings.FromConnectionStringBuilder C# (CSharp) Метод

        public static MongoClientSettings FromConnectionStringBuilder(MongoConnectionStringBuilder builder)
        {
            MongoCredentials defaultCredentials = null;
            if (builder.Username != null && builder.Password != null)
            {
                defaultCredentials = new MongoCredentials(builder.Username, builder.Password);
            }

            var clientSettings = new MongoClientSettings();
            clientSettings.ConnectionMode = builder.ConnectionMode;
            clientSettings.ConnectTimeout = builder.ConnectTimeout;
            clientSettings.CredentialsStore = new MongoCredentialsStore();
            clientSettings.DefaultCredentials = defaultCredentials;
            clientSettings.GuidRepresentation = builder.GuidRepresentation;
            clientSettings.IPv6 = builder.IPv6;
            clientSettings.MaxConnectionIdleTime = builder.MaxConnectionIdleTime;
            clientSettings.MaxConnectionLifeTime = builder.MaxConnectionLifeTime;
            clientSettings.MaxConnectionPoolSize = builder.MaxConnectionPoolSize;
            clientSettings.MinConnectionPoolSize = builder.MinConnectionPoolSize;
            clientSettings.ReadPreference = (builder.ReadPreference == null) ? ReadPreference.Primary : builder.ReadPreference.Clone();
            clientSettings.ReplicaSetName = builder.ReplicaSetName;
            clientSettings.SecondaryAcceptableLatency = builder.SecondaryAcceptableLatency;
            clientSettings.Servers = new List<MongoServerAddress>(builder.Servers);
            clientSettings.SocketTimeout = builder.SocketTimeout;
            clientSettings.UseSsl = builder.UseSsl;
            clientSettings.VerifySslCertificate = builder.VerifySslCertificate;
            clientSettings.WaitQueueSize = builder.ComputedWaitQueueSize;
            clientSettings.WaitQueueTimeout = builder.WaitQueueTimeout;
            clientSettings.WriteConcern = builder.GetWriteConcern(true); // WriteConcern is enabled by default for MongoClient
            return clientSettings;
        }

 // private static methods
 private static MongoClientSettings ParseConnectionString(string connectionString)
 {
     if (connectionString.StartsWith("mongodb://"))
     {
         var url = new MongoUrl(connectionString);
         return(MongoClientSettings.FromUrl(url));
     }
     else
     {
         var builder = new MongoConnectionStringBuilder(connectionString);
         return(MongoClientSettings.FromConnectionStringBuilder(builder));
     }
 }