protected List<GroupDescriptor> createGroups(@NotNull Project project, @NotNull List<ConfigurationType> fullList) {
    return Arrays.asList(
      //it's just an example, 'how-to'
      //new GroupDescriptor(project, getRootElement(), AllIcons.FileTypes.Java, "Java", getTypes(fullList, "Application", "JarApplication")),
      //new GroupDescriptor(project, getRootElement(), AllIcons.RunConfigurations.TestPassed, "Tests", getTypes(fullList, "JUnit", "TestNG"))
    );
  }
protected List<GroupDescriptor> createGroups(@NotNull Project project, @NotNull List<ConfigurationType> fullList)