(Program
  (Call
  { (Identifier)
  ->(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))+})