(Program
  (Return
    (FunctionCall
      (FunctionCall
        (FunctionCall
          (Identifier)
          (Identifier))
        (Identifier)
        (MemberAccess
        { (Identifier)
        ->(Identifier) }
          (Identifier)))
      (Identifier)
      (MemberAccess
      { (Identifier)
      ->(Identifier) }
        (Identifier)))))