Build and Run

    // using System;
    // using Couchbase.Lite;
    // using Couchbase.Lite.Query;
    // using Couchbase.Lite.Sync;

    // Get the database (and create it if it doesn't exist)
    var database = new Database("mydb");
    // Create a new document (i.e. a record) in the database
    string id = null;
    using (var mutableDoc = new MutableDocument())
    {
        mutableDoc.SetFloat("version", 2.0f)
            .SetString("type", "SDK");

        // Save it to the database
        database.Save(mutableDoc);
        id = mutableDoc.Id;
    }

    // Update a document
    using (var doc = database.GetDocument(id))
    using (var mutableDoc = doc.ToMutable())
    {
        mutableDoc.SetString("language", "C#");
        database.Save(mutableDoc);

        using (var docAgain = database.GetDocument(id))
        {
            Console.WriteLine($"Document ID :: {docAgain.Id}");
            Console.WriteLine($"Learning {docAgain.GetString("language")}");
        }
    }

    // Create a query to fetch documents of type SDK
    // i.e. SELECT * FROM database WHERE type = "SDK"
    using (var query = QueryBuilder.Select(SelectResult.All())
        .From(DataSource.Database(database))
        .Where(Expression.Property("type").EqualTo(Expression.String("SDK"))))
    {
        // Run the query
        var result = query.Execute();
        Console.WriteLine($"Number of rows :: {result.AllResults().Count}");
    }

    // Create replicator to push and pull changes to and from the cloud
    var targetEndpoint = new URLEndpoint(new Uri("ws://localhost:4984/getting-started-db"));
    var replConfig = new ReplicatorConfiguration(database, targetEndpoint);

    // Add authentication
    replConfig.Authenticator = new BasicAuthenticator("john", "pass");

    // Create replicator (make sure to add an instance or static variable
    // named _Replicator)
    var _Replicator = new Replicator(replConfig);
    _Replicator.AddChangeListener((sender, args) =>
    {
        if (args.Status.Error != null)
        {
            Console.WriteLine($"Error :: {args.Status.Error}");
        }
    });

    _Replicator.Start();

    // Later, stop and dispose the replicator *before* closing/disposing the
}