@java.lang.Override
    public com.google.cloud.visionai.v1.FacetValue getBucketStart() {
      return bucketStart_ == null
          ? com.google.cloud.visionai.v1.FacetValue.getDefaultInstance()
          : bucketStart_;
    }
<pre>
Lower bound of the bucket. NOTE: Only integer type is currently supported
for this field.
</pre>

<code>.google.cloud.visionai.v1.FacetValue bucket_start = 1;</code>

@return The bucketStart.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/FacetProperty.java