@Override
    public PageResult<? extends StreamSink> getPageInfo(Page<StreamSinkEntity> entityPage) {
        if (CollectionUtils.isEmpty(entityPage)) {
            return PageResult.empty();
        }
        return PageResult.fromPage(entityPage).map(this::getFromEntity);
    }
Getting the sink type.

@return sink type string.
inlong-manager/manager-service/src/main/java/org/apache/inlong/manager/service/sink/AbstractSinkOperator.java