import { EventWithoutPayload, EventWithPayload, EventPayload } from './types/index.js';
/**
 * Emits an event without payload sent from the Telegram native application like it was sent in
 * a default web environment between two iframes.
 *
 * It dispatches a new MessageEvent and expects it to be handled via
 * the `window.addEventListener('message', ...)` call, as a developer would do it to handle
 * messages sent from the parent iframe.
 * @param eventType - event name.
 */
export declare function emitEvent<E extends EventWithoutPayload>(eventType: E): void;
/**
 * Emits an event with payload sent from the Telegram native application like it was sent in
 * a default web environment between two iframes.
 *
 * It dispatches a new MessageEvent and expects it to be handled via
 * the `window.addEventListener('message', ...)` call, as a developer would do it to handle
 * messages sent from the parent iframe.
 * @param eventType - event name.
 * @param eventData - event payload.
 */
export declare function emitEvent<E extends EventWithPayload>(eventType: E, eventData: EventPayload<E>): void;
/**
 * Emits an unknown event sent from the Telegram native application like it was sent in a default
 * web environment between two iframes.
 *
 * It dispatches a new MessageEvent and expects it to be handled via
 * the `window.addEventListener('message', ...)` call, as a developer would do it to handle
 * messages sent from the parent iframe.
 * @param eventType - event name.
 * @param eventData - event payload.
 */
export declare function emitEvent<E extends string>(eventType: E, eventData: E extends EventWithoutPayload ? never : E extends EventWithPayload ? EventPayload<E> : unknown): void;