Debug session factories. Specified classes must implement MonoDevelop.Debugger.IDebuggerEngine Expression evaluator factories. Specified classes must implement MonoDevelop.Debugger.IExpressionEvaluator Value visualizers. Specified classes must extend MonoDevelop.Debugger.ValueVisualizer Debug value converters. Specified classes must extend MonoDevelop.Debugger.DebugValueConverter<T> Inline visualizers. Specified classes must extend MonoDevelop.Debugger.InlineVisualizer Preview visualizers. Specified classes must extend MonoDevelop.Debugger.PreviewVisualizer