private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.vision.v1.ReferenceImage,
            com.google.cloud.vision.v1.ReferenceImage.Builder,
            com.google.cloud.vision.v1.ReferenceImageOrBuilder>
        getReferenceImagesFieldBuilder() {
      if (referenceImagesBuilder_ == null) {
        referenceImagesBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.cloud.vision.v1.ReferenceImage,
                com.google.cloud.vision.v1.ReferenceImage.Builder,
                com.google.cloud.vision.v1.ReferenceImageOrBuilder>(
                referenceImages_,
                ((bitField0_ & 0x00000001) != 0),
                getParentForChildren(),
                isClean());
        referenceImages_ = null;
      }
      return referenceImagesBuilder_;
    }
<pre>
The list of reference_images that are imported successfully.
</pre>

<code>repeated .google.cloud.vision.v1.ReferenceImage reference_images = 1;</code>
java-vision/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImportProductSetsResponse.java