export declare function initiateFetchRequest(url: string, useCache: boolean): Promise<Response>; export declare function loadDataIntoBuffer(res: Response, onProgress?: (progress: number) => void): Promise<Uint8Array>; export declare function loadChunkedDataIntoBuffer(res: Response, onProgress?: (progress: number) => void): Promise<Uint8Array>; export declare function loadRequestDataIntoBuffer(res: Response, onProgress?: (progress: number) => void): Promise<Uint8Array>;