enum for audio youtube qualities

itags.ts

// https://gist.github.com/sidneys/7095afe4da4ae58694d128b1034e01e2
export enum ITagYtQuality {
  m4a_48k = 139,
  webm_50k = 249,
  webm_70k = 250,
  m4a_128k = 140,
  webm_128k = 171,
  webm_160k = 251,
  m4a_256k = 141,
}