public override string ToYAMLString()
 {
     return("{\"header\":" + _header.ToYAMLString() +
            ", \"status\":" + _status.ToYAMLString() +
            ", \"feedback\":" + _feedback.ToYAMLString() + "}");
 }
 public override string ToYAMLString()
 {
     return("{\"header\":" + _header.ToYAMLString() +
            ", \"status\":" + _status.ToYAMLString() +
            ", \"result\":" + _status.ToYAMLString() + "}");
 }