@Override
    public Map<String, String> parse2SinkParams(DataNodeInfo info) {
        HashMap<String, String> params = new HashMap<>();
        HashMap<String, Object> streamInfoMap = JsonUtils.parseObject(info.getExtParams(), HashMap.class);
        if (streamInfoMap == null) {
            return params;
        }
        for (String key : streamInfoMap.keySet()) {
            params.put(key, String.valueOf(streamInfoMap.get(key)));
        }
        return params;
    }
Set the parameters of the target entity.

@param request data node request
@param targetEntity entity which will set the new parameters
inlong-manager/manager-service/src/main/java/org/apache/inlong/manager/service/node/AbstractDataNodeOperator.java