@java.lang.Override
  public com.google.protobuf.ByteString getPayloadValueBytes() {
    java.lang.Object ref = payloadValue_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      payloadValue_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }
<pre>
The XML string that triggered the XXE vulnerability. Non-payload values
might be redacted.
</pre>

<code>string payload_value = 1;</code>

@return The bytes for payloadValue.
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1/src/main/java/com/google/cloud/websecurityscanner/v1/Xxe.java