@java.lang.Override
  public com.google.cloud.websecurityscanner.v1.ScanConfig.Authentication getAuthentication() {
    return authentication_ == null
        ? com.google.cloud.websecurityscanner.v1.ScanConfig.Authentication.getDefaultInstance()
        : authentication_;
  }
<pre>
The authentication configuration. If specified, service will use the
authentication configuration during scanning.
</pre>

<code>.google.cloud.websecurityscanner.v1.ScanConfig.Authentication authentication = 5;</code>

@return The authentication.
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1/src/main/java/com/google/cloud/websecurityscanner/v1/ScanConfig.java