"modules.module[" + i + "]",
                            null,
                            "specifies duplicate child module " + module,
                            m.getLocation("modules"));
                }
            }

            Severity errOn30 = getSeverity(request, ModelBuilderRequest.VALIDATION_LEVEL_MAVEN_3_0);

        assertEquals("module-2", pom.getValue("modules[1]"));
        assertEquals("module-1", pom.getValue("modules[2]"));
        assertEquals("module-3", pom.getValue("modules[3]"));
        assertEquals("module-4", pom.getValue("modules[4]"));
    }

    /**
     * Will throw an exception if it doesn't find parent(s) in build
     *
     * @throws Exception in case of issue

                for (String module : model.getModules()) {
                    if (module == null || module.isEmpty()) {
                        continue;
                    }

                    module = module.replace('\\', File.separatorChar).replace('/', File.separatorChar);

                    Path modulePath = modelProcessor.locateExistingPom(new File(basedir, module).toPath());

        return false;
      }
    }
    return false;
  }

  /**
   * Returns an unmodifiable view of the specified navigable set. This method allows modules to
   * provide users with "read-only" access to internal navigable sets. Query operations on the
   * returned set "read through" to the specified set, and attempts to modify the returned set,