(Program
  (Package
    (Identifier))
  (Function
    (Empty)
    (Identifier)
    ([])
    (
      (Defer
        (Call
          (MemberAccess
            (Identifier)
            (Identifier))
          ([])
          (Empty)))
      (Go
        (Call
          (MemberAccess
            (Identifier)
            (Identifier))
          ([])
          (Empty))))))