import { ErrorUnion, FileUnion } from '../outputs';
/**
 * Downloads a file from the cloud. Download progress and completion of the download
 * will be notified through updateFile updates
 * @param {Object} params
 * @param {number} [params.fileId] - Identifier of the file to download
 * @param {number} [params.priority] - Priority of the download (1-32). The higher
 * the priority, the earlier the file will be downloaded. If the priorities of two files
 * are equal, then the last one for which downloadFile was called will be downloaded
 * first
 * @param {number} [params.offset] - The starting position from which the file should
 * be downloaded
 * @param {number} [params.limit] - Number of bytes which should be downloaded starting
 * from the "offset" position before the download will be automatically cancelled; use
 * 0 to download without a limit
 * @param {boolean} [params.synchronous] - If false, this request returns file state
 * just after the download has been started. If true, this request returns file state
 * only after the download has succeeded, has failed, has been cancelled or a new downloadFile
 * request with different offset/limit parameters was sent
 * @param {Object} state
 * @returns {FileUnion | ErrorUnion}
 */
export declare type DownloadFileMethod = <ResponseT = FileUnion>(params: DownloadFileParams, state?: Record<string, any>) => Promise<ResponseT | ErrorUnion>;
export interface DownloadFileParams {
    /** Identifier of the file to download */
    fileId?: number;
    /**
     * Priority of the download (1-32). The higher the priority, the earlier the file will
     * be downloaded. If the priorities of two files are equal, then the last one for which
     * downloadFile was called will be downloaded first
     */
    priority?: number;
    /** The starting position from which the file should be downloaded */
    offset?: number;
    /**
     * Number of bytes which should be downloaded starting from the "offset" position before
     * the download will be automatically cancelled; use 0 to download without a limit
     */
    limit?: number;
    /**
     * If false, this request returns file state just after the download has been started.
     * If true, this request returns file state only after the download has succeeded, has
     * failed, has been cancelled or a new downloadFile request with different offset/limit
     * parameters was sent
     */
    synchronous?: boolean;
}