| DefaultRenderTimer | Defines a default render timer that uses a standard timer. |
| RendererDiagnostics | Manages configurable diagnostics that can be displayed by a renderer. |
| SceneInvalidatedEventArgs | Provides data for the SceneInvalidated event. |
| SleepLoopRenderTimer | |
| ThreadProxyRenderTimer | |
| UiThreadRenderTimer | Render timer that ticks on UI thread. Useful for debugging or bootstrapping on new platforms |
| ICustomHitTest | Allows customization of hit-testing |
| IHitTester | |
| IRenderer | Defines the interface for a renderer. |
| IRenderRoot | Represents the root of a renderable tree. |
| IRenderTimer | Defines the interface implemented by an application render timer. |
| RendererDebugOverlays | Represents the various types of overlays that can be drawn by a renderer. |