import { type WebexCallbackPayload } from './shared';
export type CrossLaunchSignIn = WebexCallbackPayload & {
    /**
     * Email address to sign in to the target app.
     *
     * @example 'user1@example.com'
     */
    email: string;
    /**
     * Telephone number to call. Webex documents this parameter as iOS-only.
     *
     * @example '123456789'
     */
    telephone?: string;
};
/**
 * Cross launch Webex App to sign in with an email address.
 *
 * @param payload Webex cross-launch sign-in payload.
 * @returns Webex webexauth login URL.
 * @example
 * crossLaunchSignIn({
 *   email: 'user1@example.com',
 *   telephone: '123456789',
 *   xSuccess: 'appb://success_flow',
 *   xCancel: 'appb://cancel_flow',
 * })
 * // => 'webexauth://login?email=user1%40example.com&telephone=123456789&x-success=appb%3A%2F%2Fsuccess_flow&x-cancel=appb%3A%2F%2Fcancel_flow'
 * @link https://help.webex.com/en-us/article/n45mhmab/Webex-App-%7C-Cross-launch-URL-for-sign-in-and-calling
 */
export declare function crossLaunchSignIn(payload: CrossLaunchSignIn): string;