@java.lang.Override
    public com.google.cloud.visionai.v1.FacetValueOrBuilder getStartOrBuilder() {
      return start_ == null ? com.google.cloud.visionai.v1.FacetValue.getDefaultInstance() : start_;
    }
<pre>
Start of the range. Non-existence indicates some bound (e.g. -inf).
</pre>

<code>.google.cloud.visionai.v1.FacetValue start = 1;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/FacetBucket.java