public override void VisitClassDeclaration(ClassDeclarationSyntax node)
		{
			if (node.ShouldBeHidden()) return;

			++ClassDepth;
			if (ClassDepth == 1)
			{
				base.VisitClassDeclaration(node);
			}				
			else if (node.ChildNodes().All(childNode => childNode is PropertyDeclarationSyntax || childNode is AttributeListSyntax))
			{
				// simple nested POCO	
				var line = node.SyntaxTree.GetLineSpan(node.Span).StartLinePosition.Line;
				var walker = new CodeWithDocumentationWalker(ClassDepth - 2, line);
				walker.Visit(node);
				this.Blocks.AddRange(walker.Blocks);
			}
			else
			{
				var methods = node.ChildNodes().OfType<MethodDeclarationSyntax>();
				if (!methods.Any(m => m.AttributeLists.SelectMany(a => a.Attributes).Any()))
				{
					// nested class with methods that are not unit or integration tests e.g. example PropertyVisitor in Automap.doc.cs
					var line = node.SyntaxTree.GetLineSpan(node.Span).StartLinePosition.Line;
					var walker = new CodeWithDocumentationWalker(ClassDepth - 2, line);
					walker.Visit(node);
					this.Blocks.AddRange(walker.Blocks);
				}
			}
			--ClassDepth;
		}