import { Buffer } from 'buffer/';
declare module 'react-native' {
    interface NativeModulesStatic {
        FastCreateHash: {
            createHash(data64: string, algorithm: string): Promise<string>;
        };
    }
}
declare type Algorithm = 'sha256' | 'sha384' | 'sha512';
/**
 * @param data Raw data to hash.
 * @param algorithm Hashing algorithm to use.
 * @returns Promise of the hashed data.
 */
export declare function createHash(data: Uint8Array, algorithm: Algorithm): Promise<Buffer>;
export {};