private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.visionai.v1.FacetBucket.Range,
            com.google.cloud.visionai.v1.FacetBucket.Range.Builder,
            com.google.cloud.visionai.v1.FacetBucket.RangeOrBuilder>
        getRangeFieldBuilder() {
      if (rangeBuilder_ == null) {
        if (!(bucketValueCase_ == 4)) {
          bucketValue_ = com.google.cloud.visionai.v1.FacetBucket.Range.getDefaultInstance();
        }
        rangeBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.visionai.v1.FacetBucket.Range,
                com.google.cloud.visionai.v1.FacetBucket.Range.Builder,
                com.google.cloud.visionai.v1.FacetBucket.RangeOrBuilder>(
                (com.google.cloud.visionai.v1.FacetBucket.Range) bucketValue_,
                getParentForChildren(),
                isClean());
        bucketValue_ = null;
      }
      bucketValueCase_ = 4;
      onChanged();
      return rangeBuilder_;
    }
<pre>
Range value.
</pre>

<code>.google.cloud.visionai.v1.FacetBucket.Range range = 4;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/FacetBucket.java