private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.vision.v1p3beta1.ProductSet,
            com.google.cloud.vision.v1p3beta1.ProductSet.Builder,
            com.google.cloud.vision.v1p3beta1.ProductSetOrBuilder>
        getProductSetsFieldBuilder() {
      if (productSetsBuilder_ == null) {
        productSetsBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.cloud.vision.v1p3beta1.ProductSet,
                com.google.cloud.vision.v1p3beta1.ProductSet.Builder,
                com.google.cloud.vision.v1p3beta1.ProductSetOrBuilder>(
                productSets_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
        productSets_ = null;
      }
      return productSetsBuilder_;
    }
<pre>
List of ProductSets.
</pre>

<code>repeated .google.cloud.vision.v1p3beta1.ProductSet product_sets = 1;</code>
java-vision/proto-google-cloud-vision-v1p3beta1/src/main/java/com/google/cloud/vision/v1p3beta1/ListProductSetsResponse.java