export enum CompositionDebugOverdrawContentKinds { none, offscreenRendered, colors, effects, shadows, lights, surfaces, swapChains, all, } export class CompositionDebugHeatMaps { constructor(); hide(subtree: Object): void; showMemoryUsage(subtree: Object): void; showOverdraw(subtree: Object, contentKinds: CompositionDebugOverdrawContentKinds): void; showRedraw(subtree: Object): void; } export class CompositionDebugSettings { heatMaps: CompositionDebugHeatMaps; constructor(); static tryGetSettings(compositor: Object): CompositionDebugSettings; }