toFormatString method

@override String? toFormatString()

Implementation

@override
String? toFormatString() {
  return const <int, String>{
    0: '.mp4',
    1: '.mkv',
    2: '.mov',
    3: '.flv',
    4: '.avi',
    5: '.wmv',
    6: '.gif',
  }[index];
}