export declare class RelativeTime {
  updateTimeout: any;
  isoTime: string;
  relativeTime: string;
  titleTime: string;
  date: Date | string;
  locale: string;
  format: 'long' | 'short' | 'narrow';
  numeric: 'always' | 'auto';
  sync: boolean;
  connectedCallback(): void;
  disconnectedCallback(): void;
  updateTime(): void;
  render(): any;
}