public static COSSourceDTO getFromRequest(@NotNull COSSourceRequest cosSourceRequest, String extParams) {
        COSSourceDTO dto = StringUtils.isNotBlank(extParams)
                ? COSSourceDTO.getFromJson(extParams)
                : new COSSourceDTO();
        return CommonBeanUtils.copyProperties(cosSourceRequest, dto, true);
    }
COS source information data transfer object
inlong-manager/manager-pojo/src/main/java/org/apache/inlong/manager/pojo/source/cos/COSSourceDTO.java