import { type Readable } from 'svelte/store';
import type { Chapter, StoryState } from '../core/types/story';
export type StoryPreviewStartOptions = {
    /** Chapter to start from. Defaults to the first chapter in the story. */
    chapterId?: string;
    /** Play only the starting chapter instead of continuing through the story. */
    singleChapter?: boolean;
};
export type StoryPreviewOrchestrator = {
    isPreviewing: Readable<boolean>;
    start: (options?: StoryPreviewStartOptions) => Promise<void>;
    stop: () => void;
};
export declare const getPreviewChapterDuration: (chapter: Chapter, narration: {
    start: number;
    end: number;
} | null) => number;
export declare const createStoryPreviewOrchestrator: ({ getStory, getSelectedChapterId, selectChapter, applyChapter, getNarrationSegment, closeEditors, stopPlayback, wait, }: {
    getStory: () => StoryState;
    getSelectedChapterId: () => string | null;
    selectChapter: (chapterId: string) => void;
    applyChapter: (chapter: Chapter) => void;
    getNarrationSegment: (chapter: Chapter) => {
        start: number;
        end: number;
    } | null;
    closeEditors: () => void;
    stopPlayback: () => void;
    wait?: (durationMs: number) => Promise<unknown>;
}) => StoryPreviewOrchestrator;