Наследование: MonoDevelop.CSharp.Completion.RoslynCompletionData
		async Task<string> Test(string input, string type, string member, Gdk.Key key = Gdk.Key.Return, bool isDelegateExpected = false)
		{
			var s = await Setup (input);
			var ext = s.Item1;
			TestViewContent content = s.Item2;

			var listWindow = new CompletionListWindow ();
			var widget = new TestCompletionWidget (ext.Editor, ext.DocumentContext);
			listWindow.CompletionWidget = widget;
			listWindow.CodeCompletionContext = widget.CurrentCodeCompletionContext;
			var model = ext.DocumentContext.ParsedDocument.GetAst<SemanticModel> ();
			Ide.IdeApp.Preferences.AddParenthesesAfterCompletion.Set (true);
			Ide.IdeApp.Preferences.AddOpeningOnly.Set (false);

			var t = model.Compilation.GetTypeByMetadataName (type); 
			var method = member != null ? t.GetMembers().First (m => m.Name == member) : t.GetMembers ().OfType<IMethodSymbol> ().First (m => m.MethodKind == MethodKind.Constructor);
			var factory = new RoslynCodeCompletionFactory (ext, model);
			var data = new RoslynSymbolCompletionData (null, factory, method);
			data.IsDelegateExpected = isDelegateExpected;
			KeyActions ka = KeyActions.Process;
			data.InsertCompletionText (listWindow, ref ka, KeyDescriptor.FromGtk (key, (char)key, Gdk.ModifierType.None)); 

			return widget.CompletedWord;
		}
		async Task<string> Test(string input, string type, string member, Gdk.Key key = Gdk.Key.Return)
		{
			var s = await Setup (input);
			var ext = s.Item1;
			TestViewContent content = s.Item2;

			var listWindow = new CompletionListWindow ();
			var widget = new TestCompletionWidget (ext.Editor, ext.DocumentContext);
			listWindow.CompletionWidget = widget;
			listWindow.CodeCompletionContext = widget.CurrentCodeCompletionContext;
			var sm = ext.DocumentContext.ParsedDocument.GetAst<SemanticModel> ();

			var t = sm.Compilation.GetTypeByMetadataName (type); 
			var foundMember = t.GetMembers().First (m => m.Name == member);
			var factory = new RoslynCodeCompletionFactory (ext, sm);
			var data = new RoslynSymbolCompletionData (null, factory, foundMember);
			data.DisplayFlags |= DisplayFlags.NamedArgument;
			KeyActions ka = KeyActions.Process;
			data.InsertCompletionText (listWindow, ref ka, KeyDescriptor.FromGtk (key, (char)key, Gdk.ModifierType.None)); 

			return widget.CompletedWord;
		}