import type { AirmailComposePayload } from './shared';
/**
 * Create a message in Airmail.
 *
 * @param payload Airmail compose payload.
 * @returns Airmail compose URL.
 * @example
 * compose({
 *   subject: 'Message subject',
 *   to: 'joe@example.com',
 *   plainBody: 'Message body',
 * })
 * // => 'airmail://compose?subject=Message%20subject&to=joe%40example.com&plainBody=Message%20body'
 * @link https://help.airmailapp.com/en-us/article/airmail-ios-url-scheme-1q060gy/
 */
export declare function compose(payload?: AirmailComposePayload): string;