/**
 * Abstract class with the base infraestructure to manage Message Events
*/
export declare abstract class MessageEventDispatcher {
    private readonly messageEventIndex;
    /**
     * Launch events with the specified target
     * @param arg - data to be received by the event
    */
    protected dispatchMessage(target: string, arg: unknown): Promise<unknown>;
    /**
     * Save handlers in the event index (for the specific target)
    */
    onMessage(target: string, callback: MessageHandler): void;
}
export interface MessageHandler {
    (arg: unknown): unknown;
}