}

        return this;
    }

    @Override
    public Properties getUserProperties() {
        return userProperties;
    }

    @Override
    public ProjectBuildingRequest setUserProperties(Properties userProperties) {
        if (userProperties != null) {
            this.userProperties = new Properties();
            this.userProperties.putAll(userProperties);
        } else {

    private final MavenBuildTimestamp mavenBuildTimestamp;

    BuildTimestampValueSource(Date startTime, Properties properties) {
        super(false);
        this.mavenBuildTimestamp = new MavenBuildTimestamp(startTime, properties);
    }

    @Override
    public Object getValue(String expression) {
        if ("build.timestamp".equals(expression) || "maven.build.timestamp".equals(expression)) {

                    "required": IsList(
                        "username", "password", "email", check_order=False
                    ),
                    "type": "object",
                    "properties": {
                        "username": {"title": "Username", "type": "string"},
                        "password": {"title": "Password", "type": "string"},
                        "email": {

                        },
                    },
                }
            }
        },
        "components": {
            "schemas": {
                "CompanyForm": {
                    "properties": {
                        "company_name": {"type": "string", "title": "Company Name"},
                        "industry": {"type": "string", "title": "Industry"},
                    },

        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.

    }

    private
    fun createProperties() = Properties().also { properties ->
        properties["runtime"] = runtime.get().joinToString(",")
        properties["projects"] = projects.get().joinToString(",")
        optionalProjects.get().takeIf { it.isNotEmpty() }?.let { optional ->
            properties["optional"] = optional.joinForProperties()
        }
    }

    private

    return new NetworkBuilder<>(false);
  }

  /**
   * Returns a {@link NetworkBuilder} initialized with all properties queryable from {@code
   * network}.
   *
   * <p>The "queryable" properties are those that are exposed through the {@link Network} interface,
   * such as {@link Network#isDirected()}. Other properties, such as {@link
   * #expectedNodeCount(int)}, are not set in the new builder.
   */

    }

    /**
     * Returns a map of user-defined properties for the Maven execution.
     * These properties can be set using the -D command-line option.
     *
     * @return an unmodifiable map of user properties
     */
    @Nonnull
    Map<String, String> userProperties();

    /**
     * Returns a map of system properties for the Maven execution.

                    "required": ["price"],
                    "type": "object",
                    "properties": {"price": {"title": "Price", "type": "integer"}},
                },
                "Item": {
                    "title": "Item",
                    "type": "object",
                    "properties": {
                        "name": {
                            "title": "Name",

        resource.addInclude("*.xml");
        resource.addInclude("*.properties");

        // Verify both includes are present
        assertEquals(2, resource.getIncludes().size(), "Should have two includes");
        assertTrue(resource.getIncludes().contains("*.xml"), "Should contain *.xml");
        assertTrue(resource.getIncludes().contains("*.properties"), "Should contain *.properties");

        // Verify persistence