export interface IEvent {
    type: string;
}
export interface IEventEmitter {
    addEventListener(type: string, listener: (event: IEvent) => void): this;
    removeEventListener(type: string, listener: (event: IEvent) => void): this;
    removeAllListeners(type?: string): this;
    emitEvent(event: IEvent): boolean;
    on(type: string, listener: (event: object) => void): this;
    off(type: string, listener: (event: object) => void): this;
    emit(event: string | object, ...args: any[]): boolean;
}
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