(Program
  (Module
    (Identifier))
  (Function
    (Empty)
    (Identifier)
    ([])
    ([]))
  (Function
    (Empty)
  { (Identifier)
  ->(Identifier) }
    (
      (Variadic
        (Pointer
          (Identifier))
        (Identifier)))
    ([]))
  (Function
    (Empty)
  { (Identifier)
  ->(Identifier) }
    (
      (Variadic
        (Identifier)
        (Empty)))
    ([]))
  (Function
    (Empty)
  { (Identifier)
  ->(Identifier) }
    (
      (Identifier)
      (Variadic
        (Identifier)
        (Empty)))
    ([])))