/**
 * @license
 * Copyright 2020 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { PbEciesAeadHkdfKeyFormat, PbEciesAeadHkdfParams, PbEciesAeadHkdfPrivateKey, PbEciesAeadHkdfPublicKey } from '../internal/proto';
export declare function validateParams(params: PbEciesAeadHkdfParams): void;
export declare function validateKeyFormat(keyFormat: PbEciesAeadHkdfKeyFormat): void;
export declare function validatePublicKey(key: PbEciesAeadHkdfPublicKey, publicKeyManagerVersion: number): void;
export declare function validatePrivateKey(key: PbEciesAeadHkdfPrivateKey, privateKeyManagerVersion: number, publicKeyManagerVersion: number): void;