public static void rememberEditor(@NotNull Editor editor) {
    if (editorsWithControllers == null) {
      LOG.debug("create map of weak references to remember all editors with custom parameter info controllers and attach EP-listener");
      editorsWithControllers = ContainerUtil.createWeakSet();  // Weak... to avoid memory leaks caused by keeping disposed editors in memory
      EP_NAME.addExtensionPointListener(new ExtensionPointListener<>() {
        @Override
        public void extensionRemoved(@NotNull ParameterInfoControllerProvider extension, @NotNull PluginDescriptor pluginDescriptor) {
          removeControllersFromAllEditors();
        }
      }, null);
    }

    if (!editorsWithControllers.contains(editor)) {
      LOG.debug("remember editor " + editor);
      editorsWithControllers.add(editor);
    }
  }
public static void rememberEditor(@NotNull Editor editor)