import { ExifDateTime } from "./ExifDateTime";
import { Maybe } from "./Maybe";
import { MaybeReadonly } from "./MaybeReadonly";
import { Tags } from "./Tags";
/**
 * Returns the first date/time tag in `dateTimeTags` that strictly parses from
 * EXIF.
 */
export declare function firstDateTime(tags: Maybe<Tags>, dateTimeTags?: MaybeReadonly<(keyof Tags)[]>): Maybe<ExifDateTime>;