type Listener = (...args: any[]) => void;
export default class EventEmitter {
    private listeners;
    constructor();
    on(event: string, listener: Listener): this;
    once(event: string, listener: Listener): this;
    emit(event: string, ...args: any[]): this;
    off(event: string, listener: Listener): this;
    removeAllListeners(event?: string): this;
}
export {};
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