```
{
"msg": "success",
"code": 0,
"data": {
"properties": [{
"type": "INT",
"name": "k1",
"comment": "",
"aggregation_type":""
}, {
"type": "INT",
"name": "k2",
"comment": "",
"aggregation_type":"MAX"
}],
"status": 200
},
"count": 0
}
```
# fe-common This module is used to store some common classes of other modules. # spark-dpp This module is Spark DPP program, used for Spark Load function. Depends: fe-common # fe-core This module is the main process module of FE. Depends: fe-common, spark-dpp