How to use the @shoutem/ui.ImageGallery.IMAGE_PREVIEW_MODE function in @shoutem/ui

getNavbarProps() {
    const { selectedPhotoIndex, mode } = this.state;
    const { photos } = this.props;

    if (mode === ImageGallery.IMAGE_PREVIEW_MODE) {
      return {
        styleName: 'clear none',
      };
    }

    const selectedPhoto = photos[selectedPhotoIndex];

    return {
      styleName: 'clear',
      title: `${selectedPhotoIndex + 1} / ${photos.length}`,
      share: {
        title: _.get(selectedPhoto, 'title'),
        link: _.get(selectedPhoto, 'source.uri'),
      },
    };
  }

getNavbarProps() {
    const { selectedPhotoIndex, mode } = this.state;
    const { photos } = this.props;

    if (mode === ImageGallery.IMAGE_PREVIEW_MODE) {
      return {
        styleName: 'clear none',
      };
    }

    const selectedPhoto = photos[selectedPhotoIndex];

    return {
      styleName: 'clear',
      title: `${selectedPhotoIndex + 1} / ${photos.length}`,
      share: {
        title: _.get(selectedPhoto, 'title'),
        link: _.get(selectedPhoto, 'source.uri'),
      },
    };
  }

getNavbarProps() {
    const { selectedPhotoIndex, mode } = this.state;
    const { photos } = this.props;

    if (mode === ImageGallery.IMAGE_PREVIEW_MODE) {
      return {
        styleName: 'clear none',
      };
    }

    const selectedPhoto = photos[selectedPhotoIndex];

    return {
      styleName: 'clear',
      title: `${selectedPhotoIndex + 1} / ${photos.length}`,
      share: {
        title: _.get(selectedPhoto, 'title'),
        link: _.get(selectedPhoto, 'source.uri'),
      },
    };
  }

getNavbarProps() {
    const { selectedPhotoIndex, mode } = this.state;
    const { photos } = this.props;

    if (mode === ImageGallery.IMAGE_PREVIEW_MODE) {
      return {
        styleName: 'clear none',
      };
    }

    const selectedPhoto = photos[selectedPhotoIndex];

    return {
      styleName: 'clear',
      title: `${selectedPhotoIndex + 1} / ${photos.length}`,
      share: {
        title: _.get(selectedPhoto, 'title'),
        link: _.get(selectedPhoto, 'source.uri'),
      },
    };
  }