import type { VideoAspectRatio, VideoAsset, VideoAssetKind, VideoAssetManifest, VideoAssetSource, VideoCaptionStyle, VideoProject, VideoScenePlan, VideoTimeline, VideoTimelineScene } from './types.js';
declare function dimensions(aspectRatio: VideoAspectRatio): {
    width: number;
    height: number;
};
declare function normalizeScenes(raw: Partial<VideoScenePlan>[], targetDurationSec: number): VideoScenePlan[];
export interface PlanStoryInput {
    projectDir: string;
    title: string;
    story: string;
    language: string;
    aspectRatio: VideoAspectRatio;
    targetDurationSec: number;
    style?: string;
    overwrite?: boolean;
}
export declare function planStory(input: PlanStoryInput): Promise<VideoProject>;
export interface SavePlanInput {
    projectDir: string;
    title: string;
    story: string;
    language: string;
    aspectRatio: VideoAspectRatio;
    targetDurationSec: number;
    scenes: Array<Partial<VideoScenePlan> & Pick<VideoScenePlan, 'durationSec'>>;
    style?: string;
    overwrite?: boolean;
}
/**
 * 에이전트(구독 세션)가 직접 작성한 스토리보드를 API 키 없이 project.json으로 저장한다.
 * video_plan_from_story(ANTHROPIC_API_KEY 필요)의 무료 대안.
 * 장면 길이 합계가 targetDurationSec와 일치해야 projectSchema 검증을 통과한다.
 */
export declare function savePlan(input: SavePlanInput): VideoProject;
export declare function loadProject(projectDir: string): VideoProject;
export declare function loadAssets(projectDir: string): VideoAssetManifest;
export declare function sha256File(filePath: string): string;
export declare function registerAsset(projectDir: string, asset: Omit<VideoAsset, 'createdAt' | 'sha256'>): VideoAsset;
export interface AddLocalAssetInput {
    projectDir: string;
    filePath: string;
    kind: VideoAssetKind;
    sourceType: Extract<VideoAssetSource, 'user-owned' | 'licensed'>;
    license: string;
    author?: string;
    attribution?: string;
}
export declare function addLocalAsset(input: AddLocalAssetInput): VideoAsset;
export declare function buildTimeline(projectDir: string, scenes: VideoTimelineScene[], audioAssetId?: string, captionStyle?: VideoCaptionStyle): VideoTimeline;
export declare function loadTimeline(projectDir: string): VideoTimeline;
export declare const __testing: {
    dimensions: typeof dimensions;
    normalizeScenes: typeof normalizeScenes;
};
export {};