def METHOD_NAME(config):
    config.addinivalue_line('markers', 'requires_windows: Tests intended for Windows operating systems')
    config.addinivalue_line('markers', 'requires_macos: Tests intended for macOS operating systems')
    config.addinivalue_line('markers', 'requires_linux: Tests intended for Linux operating systems')
    config.addinivalue_line('markers', 'requires_unix: Tests intended for Linux-based operating systems')
    config.addinivalue_line('markers', 'requires_ci: Tests intended to only run in CI')