protected static @NotNull PsiClass createClassInOuterImpl(@NotNull String name, @NotNull PsiClass outerClass, @Nullable String superClassName) {
    Project project = outerClass.getProject();
    PsiClass psiClass = JavaPsiFacade.getElementFactory(project).createClass(name);
    psiClass = (PsiClass)outerClass.addBefore(psiClass, outerClass.getRBrace());
    PsiUtil.setModifierProperty(psiClass, PsiModifier.STATIC, true);
    PsiUtil.setModifierProperty(psiClass, PsiModifier.PUBLIC, true);
    if (superClassName != null) {
      CreateFromUsageUtils.setupSuperClassReference(psiClass, superClassName);
    }
    return psiClass;
  }
protected static @NotNull PsiClass createClassInOuterImpl(@NotNull String name, @NotNull PsiClass outerClass, @Nullable String superClassName)