How to use map matching web-app

I want to know if the result of the map matching algorithm can return the road ID information of the current vehicle.
and how to use it ?
I run the following cold on the command line:
mvn package -DskipTests
java -jar matching-web/target/graphhopper-map-matching-web-0.11-SNAPSHOT.jar import map-data/leipzig_germany.osm.pbf
java -jar matching-web/target/graphhopper-map-matching-web-0.11-SNAPSHOT.jar match matching-core/src/test/resources/*.gpx

and it succeed,and i want to know where the results of the map match ´╝čAnd how to open the \graphhopper-map-matching\map-matching-master\graph-cache\edges ?