/// <reference types="node" />
/**
 * Hashes a buffer.
 * @param buffer The buffer that will be hashed.
 * @param salt The salt to hash the buffer, if none is provided it will be generated.
 * @returns A buffer in which the salt (16 bytes), and the hash (32 bytes) are respectively concatenated.
 */
export declare const saltHash: (buffer: Buffer, salt?: Buffer) => {
    salt: Buffer;
    hash: Buffer;
};