/**
     * 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();

    /**

        Properties userProperties = new Properties();

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

                "Body_create_file_files__post": {
                    "title": "Body_create_file_files__post",
                    "required": ["file"],
                    "type": "object",
                    "properties": {
                        "file": {
                            "title": "File",
                            "type": "string",
                            "description": "A file read as bytes",

  no-color-keywords: 0
  no-color-literals: 0
  no-combinators: 0
  no-css-comments: 2
  no-debug: 2
  no-disallowed-properties: 2
  no-duplicate-properties: 2
  no-empty-rulesets: 2
  no-extends: 2
  no-ids: 0
  no-invalid-hex: 2
  no-important: 0
  no-mergeable-selectors: 2
  no-misspelled-properties: 2
  no-qualifying-elements: 0
  no-trailing-whitespace: 2
  no-trailing-zero: 2
  no-transition-all: 0

class BuildTimestampValueSource extends AbstractValueSource {
    private final Date startTime;
    private final Map<String, String> properties;

    BuildTimestampValueSource(Date startTime, Map<String, String> properties) {
        super(false);
        this.startTime = startTime;
        this.properties = properties;
    }

    @Override
    public Object getValue(String expression) {

        }

        /**
         * Writes [Properties] to a file, but without including the timestamp comment.
         *
         * See [PropertiesUtils.store].
         */
        fun store(properties: Properties, file: File, comment: String? = null) {
            PropertiesUtils.store(properties, file, comment, Charsets.ISO_8859_1, "\n")
        }

        private

    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();

    /**

    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 MavenExecutionRequest setSystemProperties(Properties properties) {
        if (properties != null) {
            this.systemProperties = SystemProperties.copyProperties(properties);
        } else {
            this.systemProperties = null;
        }

        return this;
    }

    @Override
    public MavenExecutionRequest setUserProperties(Properties userProperties) {
        if (userProperties != null) {

        MavenProperties properties;
        if (props instanceof MavenProperties) {
            properties = (MavenProperties) props;
        } else {
            properties = new MavenProperties();
            properties.putAll(props);
        }
        return update(properties);
    }

    public boolean update(MavenProperties properties) {
        boolean modified = false;