@java.lang.Override
    public com.google.protobuf.ByteString getVersionToken() {
      return versionToken_;
    }
<pre>
The current version token of the client for the requested list (the
client version that was received from the last successful diff).
</pre>

<code>bytes version_token = 2;</code>

@return The versionToken.
java-webrisk/proto-google-cloud-webrisk-v1beta1/src/main/java/com/google/webrisk/v1beta1/ComputeThreatListDiffRequest.java