import { MessageEventSubscriber } from './Receiver';
import { MessageHandler } from './MessageEventDispatcher';
import { SendDataFunction } from './SendDataFunction';
export declare class MessageSystem {
    private readonly sender;
    private readonly receiver;
    constructor(suscribe: MessageEventSubscriber, sendData: SendDataFunction);
    /**
     * Send messages to the other side (ReactNative/WebView) and get back an answer
    */
    postMessage(target: string, data: unknown): Promise<unknown>;
    /**
     * Listen messages from the other side (ReactNative/WebView)
    */
    onMessage(target: string, handle: MessageHandler): void;
    private static fixCodecStruct;
}
export type { MessageEventSubscriber } from './Receiver';
export type { SendDataFunction } from './SendDataFunction';