export interface DashScopeSubmitParams {
    prompt?: string;
    negativePrompt?: string;
    imgUrl: string;
    audioUrl?: string;
    resolution?: '720P' | '1080P';
    duration?: 5 | 10 | 15;
    promptExtend?: boolean;
    audio?: boolean;
    shotType?: 'single' | 'multi';
    watermark?: boolean;
    seed?: number;
}
export interface DashScopeSubmitResponse {
    output: {
        task_id: string;
        task_status: string;
    };
    request_id: string;
}
export interface DashScopeTaskResult {
    output: {
        task_id: string;
        task_status: 'PENDING' | 'RUNNING' | 'SUCCEEDED' | 'FAILED' | 'CANCELED' | 'UNKNOWN';
        video_url?: string;
        orig_prompt?: string;
        actual_prompt?: string;
        submit_time?: string;
        end_time?: string;
    };
    usage?: {
        duration?: number;
        SR?: number;
        video_count?: number;
    };
    request_id: string;
}
export interface PollOptions {
    interval?: number;
    timeout?: number;
    onProgress?: (status: string) => void;
}
export declare class DashScopeClient {
    private client;
    private baseUrl;
    constructor(apiKey: string);
    /**
     * 提交视频生成任务 (wan2.6-i2v)
     */
    submit(params: DashScopeSubmitParams): Promise<DashScopeSubmitResponse>;
    /**
     * 获取任务结果
     */
    getResult(taskId: string): Promise<DashScopeTaskResult>;
    /**
     * 轮询等待结果
     */
    poll(taskId: string, options?: PollOptions): Promise<DashScopeTaskResult>;
    /**
     * 将本地图像转换为 base64 data URL
     */
    imageToBase64(filePath: string): Promise<string>;
    /**
     * 下载视频到本地
     */
    downloadVideo(url: string, outputDir: string, filename?: string): Promise<string>;
    private sleep;
}
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