declare module 'spacetime-informal' {
  export function find(tz: string): string;

  export function display(geo: string): DisplayFormat;

  export function version(): string;

  export interface DisplayFormat {
    iana: string;
    standard: TimeZoneInfo;
    daylight: TimeZoneInfo;
  }

  export interface TimeZoneInfo {
    name: string;
    abbrev: string;
  }
}
