(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))
    ([])))