public Builder setProductRecognizerConfig(
        com.google.cloud.visionai.v1.ProductRecognizerConfig value) {
      if (productRecognizerConfigBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        processorConfig_ = value;
        onChanged();
      } else {
        productRecognizerConfigBuilder_.setMessage(value);
      }
      processorConfigCase_ = 21;
      return this;
    }
<pre>
Runtime configs of Product Recognizer processor.
</pre>

<code>.google.cloud.visionai.v1.ProductRecognizerConfig product_recognizer_config = 21;
</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/ProcessorConfig.java