interface NDEFRecord {
  recordType: string;
  mediaType?: string;
  id?: string;
  encoding?: string;
  data?: BufferSource | string;
}

interface NDEFMessage {
  records: NDEFRecord[];
}

interface NDEFReadingEvent extends Event {
  serialNumber: string;
  message: NDEFMessage;
}

interface NDEFReader extends EventTarget {
  scan(): Promise<void>;
  write(message: string | NDEFMessage): Promise<void>;
  onreading: ((event: NDEFReadingEvent) => void) | null;
  onreadingerror: ((event: Event) => void) | null;
}

declare var NDEFReader: {
  prototype: NDEFReader;
  new (): NDEFReader;
};