public static @Nullable EmmetPreviewHint getExistingHint(@NotNull Editor parentEditor) {
    EmmetPreviewHint emmetPreviewHint = KEY.get(parentEditor);
    if (emmetPreviewHint != null) {
      if (!emmetPreviewHint.isDisposed) {
        return emmetPreviewHint;
      }
      emmetPreviewHint.hide();
    }
    return null;
  }
public static @Nullable EmmetPreviewHint getExistingHint(@NotNull Editor parentEditor)