public Builder clearPartialMatchingImages() {
        if (partialMatchingImagesBuilder_ == null) {
          partialMatchingImages_ = java.util.Collections.emptyList();
          bitField0_ = (bitField0_ & ~0x00000010);
          onChanged();
        } else {
          partialMatchingImagesBuilder_.clear();
        }
        return this;
      }
<pre>
Partial matching images on the page.
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.v1p2beta1.WebDetection.WebImage partial_matching_images = 5;
</code>
java-vision/proto-google-cloud-vision-v1p2beta1/src/main/java/com/google/cloud/vision/v1p2beta1/WebDetection.java