import type { Chapter, StoryState } from "../core/types/story";
/**
 * Fold the retired story text-box model into a single Mango rectangle.
 * The old fields are deliberately omitted from the returned chapter so all
 * authoring and playback after loading uses one annotation model.
 */
export declare const normalizeChapterAnnotations: (chapter: Chapter) => Chapter;
export declare const normalizeStoryAnnotations: (story: StoryState) => StoryState;