import { ViewportGetRectsInput, ViewportGetRectsResult, ViewportRectResult } from './types.js';
/** No rendering or scrolling: read only geometry already acknowledged by the host. */
export declare function readViewportBatch(input: ViewportGetRectsInput, read: (target: ViewportGetRectsInput['targets'][number]) => ViewportRectResult, generation: () => string | null, disposed: () => boolean): Promise<ViewportGetRectsResult>;