import CryptoES from 'crypto-es';
import { OnProgressType } from './types';
/**
 * <span style="color:purple"><strong>This is where the SDK decides to use the browser environment or the node environment</strong></span>
 */
export declare const createFileEncrypt: (params: {
    iv: string;
    encryptionKey: string;
    file: CryptoES.lib.WordArray;
    worker?: Worker;
    onProgress?: OnProgressType;
}) => Promise<{
    encryptedFile: CryptoES.lib.WordArray;
    hash: string;
    rollingHash: number;
}>;