// Copyright (C) 2016 The Qt Company Ltd. // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GFDL-1.3-no-invariants-only /*! \externalpage http://developer.apple.com/documentation/UserExperience/Conceptual/OSXHIGuidelines/index.html \title Apple Human Interface Guidelines */ /*! \externalpage http://www.nvg.ntnu.no/sinclair/computers/zxspectrum/zxspectrum.htm \title Sinclair Spectrum */ /*! \externalpage https://www.pearson.com/us/higher-education/program/Gamma-Design-Patterns-Elements-of-Reusable-Object-Oriented-Software/PGM14333.html \title Design Patterns */