private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.websecurityscanner.v1.Xxe,
            com.google.cloud.websecurityscanner.v1.Xxe.Builder,
            com.google.cloud.websecurityscanner.v1.XxeOrBuilder>
        getXxeFieldBuilder() {
      if (xxeBuilder_ == null) {
        xxeBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.websecurityscanner.v1.Xxe,
                com.google.cloud.websecurityscanner.v1.Xxe.Builder,
                com.google.cloud.websecurityscanner.v1.XxeOrBuilder>(
                getXxe(), getParentForChildren(), isClean());
        xxe_ = null;
      }
      return xxeBuilder_;
    }
<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