return ComponentUtil.getSystemProperties().getProperty(OIC_CLIENT_SECRET, StringUtil.EMPTY);
    }

    protected String getOicTokenServerUrl() {
        return ComponentUtil.getSystemProperties().getProperty(OIC_TOKEN_SERVER_URL, "https://accounts.google.com/o/oauth2/token");
    }

    protected String getOicRedirectUrl() {

     */
    public static void addSystemProperties(Properties props) {
        props.putAll(getSystemProperties());
    }

    /**
     * Returns a copy of {@link System#getProperties()} in a thread-safe manner.
     *
     * @return {@link System#getProperties()} obtained in a thread-safe manner.
     */
    public static Properties getSystemProperties() {
        return copyProperties(System.getProperties());
    }

    /**

    @Nonnull
    @Override
    public Map<String, String> getSystemProperties() {
        return Collections.unmodifiableMap(new PropertiesAsMap(mavenSession.getSystemProperties()));
    }

    @Nonnull
    @Override
    public Map<String, String> getEffectiveProperties(@Nullable Project project) {
        HashMap<String, String> result = new HashMap<>(getSystemProperties());
        if (project != null) {

        }

        boolean active = ensureAtLeastOneNonNull(os);

        String actualOsName = context.getSystemProperties().get("os.name").toLowerCase(Locale.ENGLISH);
        String actualOsArch = context.getSystemProperties().get("os.arch").toLowerCase(Locale.ENGLISH);
        String actualOsVersion = context.getSystemProperties().get("os.version").toLowerCase(Locale.ENGLISH);

        if (active && os.getFamily() != null) {

     * from the runtime environment like {@link System#getProperties()} and environment variables.
     *
     * @return The system properties, never {@code null}.
     */
    public Properties getSystemProperties() {
        return request.getSystemProperties();
    }

    public Settings getSettings() {
        return settings;
    }

    public List<MavenProject> getProjects() {
        return projects;
    }

        request.setUserSettingsFile(userSettingsFile);
        request.setGlobalSettingsFile(globalSettingsFile);
        request.setSystemProperties(SystemProperties.getSystemProperties());
        return build(request);
    }

    public Settings buildSettings(File userSettingsFile, boolean useCachedSettings)
            throws IOException, XmlPullParserException {

    }

    public static List<Map<String, String>> getFessPropItems(final FessConfig fessConfig) {
        final List<Map<String, String>> itemList = new ArrayList<>();
        ComponentUtil.getSystemProperties().entrySet().stream().forEach(e -> {
            final String k = e.getKey().toString();
            final String value;
            if (isMaskedValue(k)) {
                value = MASKED_VALUE;

     */
    @Nonnull
    List<String> getInactiveProfileIds();

    /**
     * Provides a map of system properties.
     */
    @Nonnull
    Map<String, String> getSystemProperties();

    /**
     * Provides a map of user properties.
     * User properties
     */
    @Nonnull
    Map<String, String> getUserProperties();

    ModelResolver getModelResolver();

        setProfiles(request.getProfiles());
        setActiveProfileIds(request.getActiveProfileIds());
        setInactiveProfileIds(request.getInactiveProfileIds());
        setSystemProperties(request.getSystemProperties());
        setUserProperties(request.getUserProperties());
        setRemoteRepositories(request.getRemoteRepositories());
        setPluginArtifactRepositories(request.getPluginArtifactRepositories());

                .collect(Collectors.toMap(
                        e -> e.getKey().toString(), e -> e.getValue().toString()));
        //        lenient().when(session.getSystemProperties()).thenReturn(map);
        //        lenient().when(session.getUserProperties()).thenReturn(Collections.emptyMap());

        Mockito.lenient()
                .when(session.getService(SettingsXmlFactory.class))