@Override
    public void setup(TraceMetadataSetupContext context) {
        context.addServiceType(DruidConstants.SERVICE_TYPE);
    }
The type Druid metadata provider.

@author Victor.Zxy
@version 1.8.1
@since 2017/07/21
agent-module/plugins/druid/src/main/java/com/navercorp/pinpoint/plugin/druid/DruidMetadataProvider.java