if (is != null) {
                Properties props = new Properties();
                props.load(is);
                props.forEach((key, value) -> setProperty(String.valueOf(key), String.valueOf(value)));
                logger.debug("Loaded test system properties");
            } else {
                logger.warn("system.properties not found in test classpath, using defaults");

    /**
     * Gets the system properties to use for interpolation and profile activation. The system properties are collected
     * from the runtime environment like {@link System#getProperties()} and environment variables.
     *
     * @return The execution properties, never {@code null}.
     */
    Map<String, String> getSystemProperties();

    /**

cp fess_message_en.properties fess_message_[your_locale].properties
```

**Example for Swedish (`sv`):**
```bash
cp fess_label_en.properties fess_label_sv.properties
cp fess_message_en.properties fess_message_sv.properties
```

### 2. Translate Content

Edit the newly created files and translate all entries:

**`fess_label_[locale].properties`** contains UI labels such as:
```properties
labels.system_name=Fess

    Path rootDirectory;

    Path topDirectory;

    boolean verbose;

    boolean quiet;

    boolean showErrors = true;

    Properties userProperties = new Properties();

    Properties systemProperties = new Properties();

    MavenExecutionRequest request;

    CliRequest(String[] args, ClassWorld classWorld) {
        this.args = args;
        this.classWorld = classWorld;

    }

    public static Properties getBuildProperties() {
        Properties properties = new Properties();

        try (InputStream resourceAsStream =
                CLIReportingUtils.class.getResourceAsStream("/org/apache/maven/messages/build.properties")) {

            if (resourceAsStream != null) {
                properties.load(resourceAsStream);
            }

        Properties userProperties = new Properties();
        Map<String, String> paths = context.extraInterpolationSource();

        // ----------------------------------------------------------------------
        // Options that are set on the command line become system properties
        // and therefore are set in the session properties. System properties
        // are most dominant.

        }, timeout, false);
    }

    /**
     * Creates and stores system properties to the specified file.
     * Includes system properties and job runtime information if available.
     *
     * @param cmdList the command list (used as comment in properties file)
     * @param propFile the file to store properties to
     * @throws IORuntimeException if an I/O error occurs
     */

    MavenExecutionRequest setSystemProperties(Properties systemProperties);

    /**
     * Gets the system properties to use for interpolation and profile activation. The system properties are collected
     * from the runtime environment like {@link System#getProperties()} and environment variables.
     *
     * @return The system properties, never {@code null}.
     */
    Properties getSystemProperties();

    /**

    /**
     * Returns immutable user properties to use for interpolation. The user properties have been configured directly
     * by the user, e.g. via the {@code -Dkey=value} parameter on the command line.
     *
     * @return the user properties, never {@code null}
     */
    @Nonnull
    Map<String, String> getUserProperties();

    /**

        }
        return def;
    }

    /**
     * Get the local host address based on the provided properties.
     *
     * @param props the properties to use for configuration
     * @return the local host InetAddress
     */
    public static InetAddress getLocalHost(final Properties props) {
        final String addr = props.getProperty("jcifs.smb.client.laddr");

        if (addr != null) {