public boolean hasAuthentication() {
      return ((bitField0_ & 0x00000010) != 0);
    }
<pre>
The authentication configuration. If specified, service will use the
authentication configuration during scanning.
</pre>

<code>.google.cloud.websecurityscanner.v1beta.ScanConfig.Authentication authentication = 5;
</code>

@return Whether the authentication field is set.
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1beta/src/main/java/com/google/cloud/websecurityscanner/v1beta/ScanConfig.java