AliyunCaptionStickerTextAlignment

NS_OPTIONS(NSUInteger, AliyunCaptionStickerTextAlignment) {
    AliyunCaptionStickerTextAlignmentLeft             = 1<<0,
    AliyunCaptionStickerTextAlignmentCenter           = 1<<1,
    AliyunCaptionStickerTextAlignmentRight            = 1<<2,
}