/** Copyright (c) 2021 The v3d Authors. All rights reserved.
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
 * You can obtain one at http://mozilla.org/MPL/2.0/.
 */
/**
 * Calculate a 32 bit FNV-1a hash
 * Ref.: http://isthe.com/chongo/tech/comp/fnv/
 *
 * @param str the input value
 * @param seed optionally pass the hash of the previous chunk
 * @returns hash
 */
export declare function hashFnv32a(str: string, seed?: number): string;
/**
 * Extended 64 bit FNV-1a hash
 * @param str the input value
 * @param seed optionally pass the hash of the previous chunk
 * @returns hash
 */
export declare function hashFnv64a(str: string, seed?: number): string;