interface EventEmitterOptions {
    once?: boolean;
}
declare type EventEmitterListenerItem = EventEmitterOptions & {
    callback: (...args: unknown[]) => void;
};
declare type EventEmitterBaseEventMap = Record<string, any>;
export declare type Off = () => void;
/**
 * A EventEmitter work like node/event
 */
export declare class EventEmitter<E extends EventEmitterBaseEventMap> {
    #private;
    get listeners(): Record<keyof E, EventEmitterListenerItem[]>;
    set listeners(listeners: Record<keyof E, EventEmitterListenerItem[]>);
    constructor(data?: Partial<EventEmitter<any>>);
    /**
     * Send Event to all listener
     * @param eventName Event Name
     * @param args arguments
     */
    emit<K extends keyof E>(eventName: K, ...args: Parameters<E[K]>): this;
    /**
     * Add event listener
     * @param eventName Event Name
     * @param callback Event Callback
     */
    on<K extends keyof E>(eventName: K, callback: E[K], options?: EventEmitterOptions): Off;
    /**
     * Remove event listener
     * @param eventName Event Name
     * @param callback Event Callback
     */
    off<K extends keyof E>(eventName: K, callback: E[K]): this | undefined;
    /**
     * Like on but just run once
     * @param eventName Event Name
     * @param callback Event Callback
     */
    once<K extends keyof E>(eventName: K, callback: E[K]): Off;
}
export {};