interface YLRUOptions {
  maxAge?: number;
}

declare namespace YLRU {
  export interface YLRUOptions {
    maxAge?: number;
  }
}

declare class YLRU {
  constructor(max: number)
  get: <T = any>(key: any, options?: YLRUOptions) => T | undefined;
  set: <T = any>(key: any, value: T, options?: YLRUOptions) => void;
  keys: () => any[];
}

export = YLRU;