export declare enum RenderStage { Static = 1, Runtime = 2, Dynamic = 3 } export type NonStaticRenderStage = RenderStage.Runtime | RenderStage.Dynamic; export declare class StagedRenderingController { private abortSignal; currentStage: RenderStage; private runtimeStagePromise; private dynamicStagePromise; constructor(abortSignal?: AbortSignal | null); advanceStage(stage: NonStaticRenderStage): void; private getStagePromise; waitForStage(stage: NonStaticRenderStage): Promise; delayUntilStage(stage: NonStaticRenderStage, displayName: string | undefined, resolvedValue: T): Promise; }