public AuthenticationCase getAuthenticationCase() {
        return AuthenticationCase.forNumber(authenticationCase_);
      }
<pre>
Scan authentication configuration.
</pre>

Protobuf type {@code google.cloud.websecurityscanner.v1.ScanConfig.Authentication}
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1/src/main/java/com/google/cloud/websecurityscanner/v1/ScanConfig.java