def del_lib_dir_files(self, warnings, actions):  # pylint: disable=W0613
        known_files = [
            'HostingEnvironmentConfig.xml',
            'Incarnation',
            'partition',
            'Protocol',
            'SharedConfig.xml',
            'WireServerEndpoint'
        ]
        known_files_glob = [
            'Extensions.*.xml',
            'ExtensionsConfig.*.xml',
            'GoalState.*.xml'
        ]

        lib_dir = conf.get_lib_dir()
        files = [f for f in \
                    [os.path.join(lib_dir, kf) for kf in known_files] \
                        if os.path.isfile(f)]
        for p in known_files_glob:
            files += glob.glob(os.path.join(lib_dir, p))

        if len(files) > 0:
            actions.append(DeprovisionAction(fileutil.rm_files, files))