@java.lang.Override
  public int getSerializedSize() {
    int size = memoizedSize;
    if (size != -1) return size;

    size = 0;
    for (int i = 0; i < searchResultItems_.size(); i++) {
      size +=
          com.google.protobuf.CodedOutputStream.computeMessageSize(1, searchResultItems_.get(i));
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(nextPageToken_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, nextPageToken_);
    }
    for (int i = 0; i < facetResults_.size(); i++) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, facetResults_.get(i));
    }
    size += getUnknownFields().getSerializedSize();
    memoizedSize = size;
    return size;
  }
<pre>
Facet search results of a given query, which contains user's
already-selected facet values and updated facet search results.
</pre>

<code>repeated .google.cloud.visionai.v1.FacetGroup facet_results = 3;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/SearchAssetsResponse.java