import { Key } from "./common";
import type { KeyDescription } from "./common";
import type { Platform } from "../../platform/web/Platform.js";
/**
 * @param  {KeyDescription} keyDescription
 * @param  {string} passphrase
 * @param  {Platform} platform
 * @return {Key}
 */
export declare function keyFromPassphrase(keyDescription: KeyDescription, passphrase: string, platform: Platform): Promise<Key>;