import { MessageType } from './types';
/**
 * Handles postMessage communication with parent window
 */
export declare class MessageHandler {
    private messageId;
    private pendingRequests;
    private parentOrigin;
    private timeout;
    private messageListener;
    constructor(parentOrigin?: string, timeout?: number);
    /**
     * Initialize message listener
     */
    init(): void;
    /**
     * Cleanup message listener
     */
    destroy(): void;
    /**
     * Send message to parent window and wait for response
     */
    sendMessage(type: MessageType | string, payload?: any): Promise<any>;
    /**
     * Handle incoming messages from parent
     */
    private handleMessage;
    /**
     * Send one-way message (no response expected)
     */
    sendOneWay(type: MessageType | string, payload?: any): void;
}
//# sourceMappingURL=messaging.d.ts.map