import { Manifest } from '@prose-reader/shared';
type ViewportDimensions = {
    height: number;
    width: number;
};
export declare const shouldEnableSpreadModeForViewport: ({ manifest, viewport, }: {
    manifest: Manifest;
    viewport: ViewportDimensions;
}) => boolean;
export declare const shouldUseComputedSpreadModeForViewport: ({ manifest, viewport, }: {
    manifest: Manifest;
    viewport: ViewportDimensions;
}) => boolean;
export {};