/** Transient presentation state. It never becomes a page recipe or capture artifact. */
export interface PreviewScrollPosition {
    selector: string | null;
    tag: string;
    x: number;
    y: number;
}
export declare function readPreviewScroll(root: Document | ShadowRoot): readonly PreviewScrollPosition[];
/** Apply once to unique current targets; missing or ambiguous elements stay unchanged. */
export declare function restorePreviewScroll(root: ParentNode, viewport: Element, positions: readonly PreviewScrollPosition[]): void;