protected String getStatByName( String statName) {
    String str = this.statObject.get(statName) != null ? statObject.get(statName).toString() : "NA";
    if ("timestamp".equals(statName)) {
      str = formatTimestamp(str);
    }
    return str;
  }
Obtain a value of a key in the data map if not null

@param statName   name of the key

@return true if both the provided objects are not null.
KITE-Framework/src/main/java/org/webrtc/kite/stats/rtc/RTCSingleStatObject.java