@java.lang.Override
  public boolean hasValue() {
    return bucketValueCase_ == 2;
  }
<pre>
Singular value.
</pre>

<code>.google.cloud.visionai.v1.FacetValue value = 2;</code>

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