public com.google.cloud.visionai.v1.FacetProperty.CustomRangeBucketSpec.Builder
        getCustomRangeBucketSpecBuilder() {
      return getCustomRangeBucketSpecFieldBuilder().getBuilder();
    }
<pre>
Custom range facet bucket config.
</pre>

<code>
.google.cloud.visionai.v1.FacetProperty.CustomRangeBucketSpec custom_range_bucket_spec = 6;
</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/FacetProperty.java