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