using System;

public class Program

{

    public static void Main()

    {

        var docNode = new DocumentNode();

        docNode.Transactions.ExecuteInvisibleTransaction();

        var docNodeExt = new DocumentNodeExt();

        docNodeExt.Transactions.ExecuteInvisibleTransaction();

    }

}

​

public class DocumentNode : ITransactions

{

    void ITransactions.ExecuteInvisibleTransaction() => Console.WriteLine("ExecuteInvisibleTransaction in DocumentNode");

    public ITransactions Transactions => this;

}

​

public class DocumentNodeExt : DocumentNode

{   

    public void ExecuteInvisibleTransaction() => base.Transactions.ExecuteInvisibleTransaction();

}

​

public interface ITransactions

{

    void ExecuteInvisibleTransaction();

}