public Builder addAllProductSets(
        java.lang.Iterable<? extends com.google.cloud.vision.v1.ProductSet> values) {
      if (productSetsBuilder_ == null) {
        ensureProductSetsIsMutable();
        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, productSets_);
        onChanged();
      } else {
        productSetsBuilder_.addAllMessages(values);
      }
      return this;
    }
<pre>
List of ProductSets.
</pre>

<code>repeated .google.cloud.vision.v1.ProductSet product_sets = 1;</code>
java-vision/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ListProductSetsResponse.java