return createItem(key, System.getProperty(key));
    }

    /**
     * Creates a key-value item map for display.
     *
     * @param label the item label
     * @param value the item value
     * @return map containing the formatted key-value pair
     */
    protected static Map<String, String> createItem(final Object label, final Object value) {

    /**
     * Field name for last modified timestamp.
     */
    public static final String LAST_MODIFIED = "lastModified";

    /**
     * Field name for creation time.
     */
    public static final String CREATE_TIME = "createTime";

    /**
     * Field name for weight.
     */
    public static final String WEIGHT = "weight";

    /**
     * Converts this URL queue entry to XContent format for OpenSearch indexing.

    /**
     * Field name for MIME type.
     */
    public static final String MIME_TYPE = "mimeType";

    /**
     * Field name for creation time.
     */
    public static final String CREATE_TIME = "createTime";

    /**
     * Field name for execution time.
     */
    public static final String EXECUTION_TIME = "executionTime";

    /**
     * Field name for content length.
     */