@Override
  public JsonObjectBuilder getJsonObjectBuilder() {
    return super.getJsonObjectBuilder()
        .add("receiverId", this.receiverId)
        .add("remoteId", this.remoteId)
        .add("nackCount", this.nackCount)
        .add("audioLevel", this.audioLevel)
        .add("framesDecoded", this.framesDecoded)
        .add("framesReceived", this.framesReceived)
        .add("framesDropped", this.framesDropped)
        .add("partialFramesLost", this.partialFramesLost)
        .add("totalAudioEnergy", this.totalAudioEnergy)
        .add("totalSamplesDuration", this.totalSamplesDuration);
  }
Represent RTCRtpStreamStats, outbound and inbound, sent and received.
KITE-Framework/src/main/java/org/webrtc/kite/stats/rtc/rtpstream/RTCInboundRtpStreamStats.java