private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.websecurityscanner.v1beta.ScanConfig,
            com.google.cloud.websecurityscanner.v1beta.ScanConfig.Builder,
            com.google.cloud.websecurityscanner.v1beta.ScanConfigOrBuilder>
        getScanConfigFieldBuilder() {
      if (scanConfigBuilder_ == null) {
        scanConfigBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.websecurityscanner.v1beta.ScanConfig,
                com.google.cloud.websecurityscanner.v1beta.ScanConfig.Builder,
                com.google.cloud.websecurityscanner.v1beta.ScanConfigOrBuilder>(
                getScanConfig(), getParentForChildren(), isClean());
        scanConfig_ = null;
      }
      return scanConfigBuilder_;
    }
<pre>
Required. The ScanConfig to be updated. The name field must be set to identify the
resource to be updated. The values of fields not covered by the mask
will be ignored.
</pre>

<code>
.google.cloud.websecurityscanner.v1beta.ScanConfig scan_config = 2 [(.google.api.field_behavior) = REQUIRED];
</code>
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1beta/src/main/java/com/google/cloud/websecurityscanner/v1beta/UpdateScanConfigRequest.java