private com.google.protobuf.SingleFieldBuilderV3<
              com.google.cloud.websecurityscanner.v1beta.ScanConfig.Authentication.GoogleAccount,
              com.google.cloud.websecurityscanner.v1beta.ScanConfig.Authentication.GoogleAccount
                  .Builder,
              com.google.cloud.websecurityscanner.v1beta.ScanConfig.Authentication
                  .GoogleAccountOrBuilder>
          getGoogleAccountFieldBuilder() {
        if (googleAccountBuilder_ == null) {
          if (!(authenticationCase_ == 1)) {
            authentication_ =
                com.google.cloud.websecurityscanner.v1beta.ScanConfig.Authentication.GoogleAccount
                    .getDefaultInstance();
          }
          googleAccountBuilder_ =
              new com.google.protobuf.SingleFieldBuilderV3<
                  com.google.cloud.websecurityscanner.v1beta.ScanConfig.Authentication
                      .GoogleAccount,
                  com.google.cloud.websecurityscanner.v1beta.ScanConfig.Authentication.GoogleAccount
                      .Builder,
                  com.google.cloud.websecurityscanner.v1beta.ScanConfig.Authentication
                      .GoogleAccountOrBuilder>(
                  (com.google.cloud.websecurityscanner.v1beta.ScanConfig.Authentication
                          .GoogleAccount)
                      authentication_,
                  getParentForChildren(),
                  isClean());
          authentication_ = null;
        }
        authenticationCase_ = 1;
        onChanged();
        return googleAccountBuilder_;
      }
<pre>
Authentication using a Google account.
</pre>

<code>
.google.cloud.websecurityscanner.v1beta.ScanConfig.Authentication.GoogleAccount google_account = 1;
</code>
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1beta/src/main/java/com/google/cloud/websecurityscanner/v1beta/ScanConfig.java