@java.lang.Override
    public boolean hasProduct() {
      return ((bitField0_ & 0x00000001) != 0);
    }
<pre>
The Product.
</pre>

<code>.google.cloud.vision.v1.Product product = 1;</code>

@return Whether the product field is set.
java-vision/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSearchResults.java