How to use the cornerstone-core.EVENTS function in cornerstone-core

);
    element.removeEventListener(
      csTools.EVENTS.LABELMAP_MODIFIED,
      onLabelmapModified
    );

    element.removeEventListener(csTools.EVENTS.TOUCH_PRESS, onTouchPress);
    element.removeEventListener(csTools.EVENTS.MOUSE_CLICK, handleClick);
    element.removeEventListener(csTools.EVENTS.TOUCH_START, onTouchStart);

    // TODO: This makes scrolling painfully slow
    // element.removeEventListener(cornerstone.EVENTS.NEW_IMAGE, onNewImage);
  }

  cornerstone.events.addEventListener(
    cornerstone.EVENTS.ELEMENT_ENABLED,
    elementEnabledHandler
  );
  cornerstone.events.addEventListener(
    cornerstone.EVENTS.ELEMENT_DISABLED,
    elementDisabledHandler
  );
}

);

    element.removeEventListener(csTools.EVENTS.TOUCH_PRESS, onTouchPress);
    element.removeEventListener(csTools.EVENTS.MOUSE_CLICK, handleClick);
    element.removeEventListener(csTools.EVENTS.TOUCH_START, onTouchStart);

    // TODO: This makes scrolling painfully slow
    // element.removeEventListener(cornerstone.EVENTS.NEW_IMAGE, onNewImage);
  }

  cornerstone.events.addEventListener(
    cornerstone.EVENTS.ELEMENT_ENABLED,
    elementEnabledHandler
  );
  cornerstone.events.addEventListener(
    cornerstone.EVENTS.ELEMENT_DISABLED,
    elementDisabledHandler
  );
}

const handler = evt => {
      const elementThatWasEnabled = evt.detail.element;
      if (elementThatWasEnabled === this.element) {
        // Pass Event
        this.props.onElementEnabled(evt);

        // Stop Listening
        cornerstone.events.removeEventListener(
          cornerstone.EVENTS.ELEMENT_ENABLED,
          handler
        );
      }
    };

_bindExternalEventListeners(clear = false) {
    if (!this.eventListeners) {
      return;
    }

    const cornerstoneEvents = Object.values(cornerstone.EVENTS);
    const cornerstoneToolsEvents = Object.values(cornerstoneTools.EVENTS);
    const addOrRemoveEventListener = clear
      ? 'removeEventListener'
      : 'addEventListener';

    for (let i = 0; i < this.eventListeners.length; i++) {
      const { target: targetType, eventName, handler } = this.eventListeners[i];
      const target =
        targetType === 'element' ? this.element : cornerstone.events;

      if (
        !cornerstoneEvents.includes(eventName) &&
        !cornerstoneToolsEvents.includes(eventName)
      ) {
        console.warn(
          `No cornerstone or cornerstone-tools event exists for event name: ${eventName}`

_getImageLoadedEventName() {
    return `${cornerstone.EVENTS.IMAGE_LOADED}.${this.id}`;
  }

_getImageCachePromiseRemoveEventName() {
    return `${cornerstone.EVENTS.IMAGE_CACHE_PROMISE_REMOVED}.${this.id}`;
  }