(Statements
  (Call
    (Identifier)
    (Empty))
  (Call
    (Identifier)
    (Identifier)
    (Empty))
  (Call
    (Identifier)
    (Identifier)
    (Identifier)
    (Empty))
  (Call
    (MemberAccess
      (Identifier)
      (Identifier))
    (Integer)
    (Empty)))