@java.lang.Override
    public boolean hasDatetimeBucketSpec() {
      return rangeFacetConfigCase_ == 7;
    }
<pre>
Datetime range facet bucket config.
</pre>

<code>.google.cloud.visionai.v1.FacetProperty.DateTimeBucketSpec datetime_bucket_spec = 7;
</code>

@return Whether the datetimeBucketSpec field is set.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/FacetProperty.java