public java.util.List<com.google.cloud.vision.v1p3beta1.WebDetection.WebImage>
        getPartialMatchingImagesList() {
      if (partialMatchingImagesBuilder_ == null) {
        return java.util.Collections.unmodifiableList(partialMatchingImages_);
      } else {
        return partialMatchingImagesBuilder_.getMessageList();
      }
    }
<pre>
Partial matching images from the Internet.
Those images are similar enough to share some key-point features. For
example an original image will likely have partial matching for its crops.
</pre>

<code>
repeated .google.cloud.vision.v1p3beta1.WebDetection.WebImage partial_matching_images = 3;
</code>
java-vision/proto-google-cloud-vision-v1p3beta1/src/main/java/com/google/cloud/vision/v1p3beta1/WebDetection.java