type DurationLiteralDays =
  | "1d"
  | "2d"
  | "3d"
  | "4d"
  | "5d"
  | "6d"
  | "1.1d"
  | "1.2d"
  | "1.3d"
  | "1.4d"
  | "1.5d"
  | "1.6d"
  | "1.7d"
  | "1.8d"
  | "1.9d"
  | "2.1d"
  | "2.2d"
  | "2.3d"
  | "2.4d"
  | "2.5d"
  | "2.6d"
  | "2.7d"
  | "2.8d"
  | "2.9d"
  | "3.1d"
  | "3.2d"
  | "3.3d"
  | "3.4d"
  | "3.5d"
  | "3.6d"
  | "3.7d"
  | "3.8d"
  | "3.9d"
  | "4.1d"
  | "4.2d"
  | "4.3d"
  | "4.4d"
  | "4.5d"
  | "4.6d"
  | "4.7d"
  | "4.8d"
  | "4.9d"
  | "5.1d"
  | "5.2d"
  | "5.3d"
  | "5.4d"
  | "5.5d"
  | "5.6d"
  | "5.7d"
  | "5.8d"
  | "5.9d"
  | "6.1d"
  | "6.2d"
  | "6.3d"
  | "6.4d"
  | "6.5d"
  | "6.6d"
  | "6.7d"
  | "6.8d"
  | "6.9d";