public Builder mergeFrom(
          com.google.cloud.visionai.v1.FacetProperty.DateTimeBucketSpec other) {
        if (other
            == com.google.cloud.visionai.v1.FacetProperty.DateTimeBucketSpec.getDefaultInstance())
          return this;
        if (other.granularity_ != 0) {
          setGranularityValue(other.getGranularityValue());
        }
        this.mergeUnknownFields(other.getUnknownFields());
        onChanged();
        return this;
      }
<pre>
If bucket type is DATE, specify how date values are bucketized.
</pre>

Protobuf type {@code google.cloud.visionai.v1.FacetProperty.DateTimeBucketSpec}
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/FacetProperty.java