versions:
  "3.1.5":
    folder: all
  "2.2.4":
    folder: all
  "2.1.9":
    folder: all
  "2.1.7":
    folder: all
  # mold requires 2.1.2
  "2.1.2":
    folder: all
  "2.0.9":
    folder: all
  "1.8.7":
    folder: all
  "1.8.2":
    folder: all
  "1.7.9":
    folder: all
  # arrow requires 1.7.6
  "1.7.6":
    folder: all