private void ensureVisuallySimilarImagesIsMutable() {
      if (!((bitField0_ & 0x00000010) != 0)) {
        visuallySimilarImages_ =
            new java.util.ArrayList<com.google.cloud.vision.v1p1beta1.WebDetection.WebImage>(
                visuallySimilarImages_);
        bitField0_ |= 0x00000010;
      }
    }
<pre>
Web pages containing the matching images from the Internet.
</pre>

<code>
repeated .google.cloud.vision.v1p1beta1.WebDetection.WebPage pages_with_matching_images = 4;
</code>
java-vision/proto-google-cloud-vision-v1p1beta1/src/main/java/com/google/cloud/vision/v1p1beta1/WebDetection.java