public Builder setValue(com.google.cloud.visionai.v1.FacetValue.Builder builderForValue) {
      if (valueBuilder_ == null) {
        bucketValue_ = builderForValue.build();
        onChanged();
      } else {
        valueBuilder_.setMessage(builderForValue.build());
      }
      bucketValueCase_ = 2;
      return this;
    }
<pre>
Singular value.
</pre>

<code>.google.cloud.visionai.v1.FacetValue value = 2;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/FacetBucket.java