import { type LaunchCenterProPhotoAttachment, type LaunchCenterProXCallback } from './shared';
/**
 * Messaging payload definition.
 */
type Messaging = LaunchCenterProXCallback & {
    /**
     * Phone number or recipient value.
     */
    to?: string;
    /**
     * Message body.
     */
    body?: string;
    /**
     * Photo attachment source.
     */
    attach?: LaunchCenterProPhotoAttachment;
    /**
     * Dropbox path used with Dropbox-backed attachment actions.
     */
    path?: string;
    /**
     * Predefined search term for Giphy-backed photo attachments.
     */
    'gif-search'?: string;
    /**
     * Direct Giphy ID for Giphy-backed photo attachments.
     */
    'gif-id'?: string;
};
/**
 * Start a Launch Center Pro messaging action.
 *
 * @param payload Messaging payload.
 * @returns Launch Center Pro messaging URL.
 * @example
 * messaging({ to: '555-555-5555', attach: 'photo:last' })
 * // => 'launch://messaging?to=555-555-5555&attach=photo%3Alast'
 * @example
 * messaging({ to: '555-555-5555', body: '[prompt:Body]', attach: 'photo:dropbox', path: 'reactions' })
 * // => 'launch://messaging?to=555-555-5555&body=%5Bprompt%3ABody%5D&attach=photo%3Adropbox&path=reactions'
 * @link https://help.contrast.co/hc/en-us/articles/200612283-Dropbox-Actions
 */
export declare function messaging(payload?: Messaging): string;
export {};