ApiExamples.ExEditableRange.IncorrectStructureException C# (CSharp) Method

        public void IncorrectStructureException()
        {
            Document doc = new Document();

            DocumentBuilder builder = new DocumentBuilder(doc);

            //Is not valid structure for the current document
            Assert.That(() => builder.EndEditableRange(), Throws.TypeOf<InvalidOperationException>());

            builder.StartEditableRange();
        }