*
     * @param child The child model, must not be <code>null</code>.
     * @param parent The parent model, may be <code>null</code>.
     * @param childDirectory The directory defined in child model, may be <code>null</code>.
     * @return The path adjustment, can be empty but never <code>null</code>.
     */
    private String getChildPathAdjustment(Model child, Model parent, String childDirectory) {

                     * happens, add on class-path or module-path if allowed, or keep patching otherwise.
                     * The latter case (keep patching) is okay if the main module will be defined later.
                     */
                    type = cache.selectPathType(pathTypes, filter, path).orElse(type);
                }
                addPathElement(type, info.getKey());

   *
   * <p><b>Java 8+ users:</b> this class is now obsolete as explained in the class documentation, so
   * there is no need to use this method.
   *
   * @param comparator the comparator that defines the order
   * @return comparator itself if it is already an {@code Ordering}; otherwise an ordering that
   *     wraps that comparator
   */
  @GwtCompatible(serializable = true)

                     * happens, add on class-path or module-path if allowed, or keep patching otherwise.
                     * The latter case (keep patching) is okay if the main module will be defined later.
                     */
                    type = cache.selectPathType(pathTypes, filter, path).orElse(type);
                }
                addPathElement(type, info.getKey());