@Override
  public boolean equals(java.lang.Object that) {
    if (that == null)
      return false;
    if (that instanceof LogEntry entry)
      return this.equals(entry);
    return false;
  }
Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise
zipkin-collector/scribe/src/main/java/zipkin2/collector/scribe/generated/LogEntry.java