public static <T> void registerApplicationExtensionPoint(@NotNull ExtensionPointName<T> extensionPointName, @NotNull Class<? extends T> aClass) {
    registerExtensionPoint(ApplicationManager.getApplication().getExtensionArea(), extensionPointName.getName(), aClass);
  }
public static <T> void registerApplicationExtensionPoint(@NotNull ExtensionPointName<T> extensionPointName, @NotNull Class<? extends T> aClass)