How to use the pro-gallery/dist/src/constants.infoType function in pro-gallery

// customButtonFontForHover: 'font_8', startWithSize: 15
    // customButtonFontColorForHover: color-5
    // customButtonFont: 'font_8', startWithSize: 15
    // customButtonFontColor: color-1'
    // customButtonColor: startWithOpacity: '0', startWithColor: 'color-1'
    customButtonBorderWidth: 1,
    // customButtonBorderColor: startWithColor: 'color-1'
    customButtonBorderRadius: 0,
    loadMoreButtonText: '',
    //loadMoreButtonFont: font_8
    // loadMoreButtonFontColor: color-5
    // loadMoreButtonColor: startWithOpacity: '1', startWithColor: 'color-1'
    loadMoreButtonBorderWidth: 1,
    // loadMoreButtonBorderColor:  startWithColor: 'color-5'
    loadMoreButtonBorderRadius: 0,
    imageInfoType: Consts.infoType.NO_BACKGROUND,
    itemBorderWidth: 0,
    // itemBorderColor: 'color-5'
    itemBorderRadius: 0,
    itemEnableShadow: false,
    // itemShadowOpacityAndColor: startWithColor: 'color-5', startWithOpacity: 0.2
    itemShadowBlur: 20,
    itemShadowDirection: 135,
    itemShadowSize: 10,
    imageLoadingMode: Consts.loadingMode.BLUR,
    // imageLoadingColor: startWithColor: 'color-3'
    expandAnimation: Consts.expandAnimations.NO_EFFECT,
    // oneColorAnimationColor: startWithColor: 'color-1',
    imageQuality: 90,
    usmToggle: false,
    usm_a: 0,
    usm_r: 0,