export type EventCallBackItem<T> = {
    callBack: EventCallBackType<T>;
    once?: Boolean;
};
export type EventCallBackType<T> = (e: {
    eventName: string | number | Symbol;
    stopPropagation: Function;
    callTimes: Number;
}, params: T) => boolean | void | Promise<boolean | void>;
export declare class EventBus<T extends Record<string, any>> {
    private eventDatas;
    /**
     * Register an event
     * @param eventName Event name
     * @param callBack Callback function
     * @returns Event destruction function
     */
    on<K extends keyof T>(eventName: K | "*", callBack: EventCallBackType<T[K]>): () => void;
    /**
     * Register a one-time event (triggers once)
     * @param eventName Event name
     * @param callBack Callback function
     * @returns Event destruction function
     */
    once<K extends keyof T>(eventName: K, callBack: EventCallBackType<T[K]>): () => void;
    /**
     * Remove event listeners
     * @param eventName Event name (optional)
     * @param callBack Specific callback to remove (optional)
     */
    off<K extends keyof T>(eventName?: K, callBack?: EventCallBackType<T[K]>): void;
    /**
     * Trigger an event
     * @param eventName Event name
     * @param param Event parameter
     * @returns Whether the event was stopped (`false` if stopped)
     */
    trigger<K extends keyof T>(eventName: K, param?: T[K]): Promise<false | undefined>;
}