public final int getNumber() {
    if (this == UNRECOGNIZED) {
      throw new java.lang.IllegalArgumentException(
          "Can't get the number of an unknown enum value.");
    }
    return value;
  }
<pre>
Custom Range type.
</pre>

<code>FACET_BUCKET_TYPE_CUSTOM_RANGE = 4;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/FacetBucketType.java