}

    public boolean isShowErrors() {
        return showErrors;
    }

    public Properties getUserProperties() {
        return userProperties;
    }

    public Properties getSystemProperties() {
        return systemProperties;
    }

    public MavenExecutionRequest getRequest() {
        return request;
    }

    public void setUserProperties(Properties properties) {

    }

    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;

                    if (session != null) {
                        configuration.setSystemProperties(session.getSystemProperties());
                        configuration.setUserProperties(session.getUserProperties());
                    } else {
                        configuration.setSystemProperties(getSystemProperties());
                        configuration.setUserProperties(new Properties());
                    }

        executionRequest = cli.populateRequest(request);
        assertThat(executionRequest.getLocalRepositoryPath(), is(nullValue()));

        // System-properties override default
        request.getSystemProperties().setProperty(Constants.MAVEN_REPO_LOCAL, "." + File.separatorChar + "custom1");
        executionRequest = cli.populateRequest(request);
        assertThat(executionRequest.getLocalRepositoryPath(), is(notNullValue()));

        interpolator.addValueSource(new MapBasedValueSource(context.getUserProperties()));

        interpolator.addValueSource(new MapBasedValueSource(context.getSystemProperties()));

        String absolutePath = interpolator.interpolate(path, "");

        return pathTranslator.alignToBaseDirectory(absolutePath, basedir);
    }

     * from the runtime environment like {@link System#getProperties()} and environment variables.
     *
     * @return The execution properties, never {@code null}.
     */
    Map<String, String> getSystemProperties();

    /**
     * Gets the user properties to use for interpolation and profile activation. The user properties have been

        this.userSettingsSource = userSettingsSource;

        return this;
    }

    @Override
    public Properties getSystemProperties() {
        if (systemProperties == null) {
            systemProperties = new Properties();
        }

        return systemProperties;
    }

    @Override

            return false;
        }

        String sysValue = context.getUserProperties().get(name);
        if (sysValue == null) {
            sysValue = context.getSystemProperties().get(name);
        }

        String propValue = property.getValue();
        if (propValue != null && !propValue.isEmpty()) {
            boolean reverseValue = false;
            if (propValue.startsWith("!")) {

        copy.setGoals(original.getGoals());
        copy.setRecursive(original.isRecursive());
        copy.setPom(original.getPom());
        copy.setSystemProperties(original.getSystemProperties());
        copy.setUserProperties(original.getUserProperties());
        copy.setShowErrors(original.isShowErrors());
        copy.setActiveProfiles(original.getActiveProfiles());

        finalConfigProperties.putAll(configProps);

        sessionBuilder.setUserProperties(request.getUserProperties());
        sessionBuilder.setSystemProperties(request.getSystemProperties());
        sessionBuilder.setConfigProperties(finalConfigProperties);

        return sessionBuilder;
    }

    private VersionFilter buildVersionFilter(String filterExpression) {