import type { EventBusCallback } from './app-types';
export declare class EventBus {
    private static eventRegister;
    static on(eventName: string, callback: EventBusCallback): void;
    /**
     * Remove a specific callback for an event
     * @param eventName Event name to remove callback from
     * @param callback The callback function to remove
     */
    static off(eventName: string, callback: EventBusCallback): void;
    /**
     * Remove all callbacks for a specific event
     * @param eventName Event name to clear all listeners for
     */
    static clearEvent(eventName: string): void;
    /**
     * Remove all event listeners (used during SDK shutdown)
     */
    static clearAll(): void;
    static triggerEvent(eventName: string, payload: any): void;
}