private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.visionai.v1.DataSchemaDetails.CustomizedStructConfig,
            com.google.cloud.visionai.v1.DataSchemaDetails.CustomizedStructConfig.Builder,
            com.google.cloud.visionai.v1.DataSchemaDetails.CustomizedStructConfigOrBuilder>
        getCustomizedStructConfigFieldBuilder() {
      if (customizedStructConfigBuilder_ == null) {
        customizedStructConfigBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.visionai.v1.DataSchemaDetails.CustomizedStructConfig,
                com.google.cloud.visionai.v1.DataSchemaDetails.CustomizedStructConfig.Builder,
                com.google.cloud.visionai.v1.DataSchemaDetails.CustomizedStructConfigOrBuilder>(
                getCustomizedStructConfig(), getParentForChildren(), isClean());
        customizedStructConfig_ = null;
      }
      return customizedStructConfigBuilder_;
    }
<pre>
Config for CustomizedStruct data type.
</pre>

<code>
.google.cloud.visionai.v1.DataSchemaDetails.CustomizedStructConfig customized_struct_config = 9;
</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/DataSchemaDetails.java