Program
  MainClass Foo (line 1)
    Print (line 3)
      ((5 + (4 * 3)) - 1)
  Class Bar extends Nothing (line 7)
    MethodDecl bar (line 7)
      returns int
      parameters:
        Baz f
        Bar b
      Print (line 8)
        new Thing().method()
      Return 5 (line 9)