@java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(findingType_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, findingType_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(httpMethod_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 3, httpMethod_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(fuzzedUrl_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 4, fuzzedUrl_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(body_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 5, body_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(description_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 6, description_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(reproductionUrl_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 7, reproductionUrl_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(frameUrl_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 8, frameUrl_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(finalUrl_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 9, finalUrl_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(trackingId_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 10, trackingId_);
    }
    if (((bitField0_ & 0x00000002) != 0)) {
      output.writeMessage(11, getOutdatedLibrary());
    }
    if (((bitField0_ & 0x00000004) != 0)) {
      output.writeMessage(12, getViolatingResource());
    }
    if (((bitField0_ & 0x00000010) != 0)) {
      output.writeMessage(13, getVulnerableParameters());
    }
    if (((bitField0_ & 0x00000020) != 0)) {
      output.writeMessage(14, getXss());
    }
    if (((bitField0_ & 0x00000008) != 0)) {
      output.writeMessage(15, getVulnerableHeaders());
    }
    if (((bitField0_ & 0x00000001) != 0)) {
      output.writeMessage(16, getForm());
    }
    if (severity_
        != com.google.cloud.websecurityscanner.v1.Finding.Severity.SEVERITY_UNSPECIFIED
            .getNumber()) {
      output.writeEnum(17, severity_);
    }
    if (((bitField0_ & 0x00000040) != 0)) {
      output.writeMessage(18, getXxe());
    }
    getUnknownFields().writeTo(output);
  }
<pre>
Output only. An addon containing information reported for an XXE, if any.
</pre>

<code>
.google.cloud.websecurityscanner.v1.Xxe xxe = 18 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1/src/main/java/com/google/cloud/websecurityscanner/v1/Finding.java