private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.visionai.v1.FacetGroup,
            com.google.cloud.visionai.v1.FacetGroup.Builder,
            com.google.cloud.visionai.v1.FacetGroupOrBuilder>
        getFacetResultsFieldBuilder() {
      if (facetResultsBuilder_ == null) {
        facetResultsBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.cloud.visionai.v1.FacetGroup,
                com.google.cloud.visionai.v1.FacetGroup.Builder,
                com.google.cloud.visionai.v1.FacetGroupOrBuilder>(
                facetResults_, ((bitField0_ & 0x00000004) != 0), getParentForChildren(), isClean());
        facetResults_ = null;
      }
      return facetResultsBuilder_;
    }
<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