(Program
  (Call
    (MemberAccess
      (Identifier)
      (Identifier))
    (Empty))
  (Call
    (Identifier)
    (Identifier)
    (Identifier)
    (KeyValue
      (Symbol)
      (Integer))
    (KeyValue
      (Identifier)
      (Integer))
    (Empty))
  (Call
    (Identifier)
    (Call
      (Identifier)
      (Identifier)
      (Empty))
    (Empty))
  (Call
    (Identifier)
    (KeyValue
      (Array)
      (Integer))
    (Identifier)
    (Identifier)
    (Function
      (Empty)
      (Identifier)
      (Function
        (Empty)
        (Integer)))
    (Empty)))