import { PostisOptions } from './postis';
import type { ITransportBackend } from './types';
/**
 * Options for PostMessageITransportBackend.
 */
export interface IPostMessageTransportBackendOptions {
    postisOptions?: Partial<PostisOptions>;
}
/**
 * Implements message transport using the postMessage API.
 */
export default class PostMessageITransportBackend implements ITransportBackend {
    /**
     * The postis instance for communication.
     */
    private postis;
    /**
     * Callback function for receiving messages.
     */
    private _receiveCallback;
    /**
     * Creates new PostMessageITransportBackend instance.
     *
     * @param {Object} options - Optional parameters for configuration of the
     * transport.
     */
    constructor({ postisOptions }?: IPostMessageTransportBackendOptions);
    /**
     * Disposes the allocated resources.
     *
     * @returns {void}
     */
    dispose(): void;
    /**
     * Sends the passed message.
     *
     * @param {Object} message - The message to be sent.
     * @returns {void}
     */
    send(message: any): void;
    /**
     * Sets the callback for receiving data.
     *
     * @param {Function} callback - The new callback.
     * @returns {void}
     */
    setReceiveCallback(callback: (message: any) => void): void;
}