@java.lang.Override
  public com.google.cloud.visionai.v1.PartitionOrBuilder getPartitionOrBuilder() {
    return partition_ == null
        ? com.google.cloud.visionai.v1.Partition.getDefaultInstance()
        : partition_;
  }
<pre>
Partition information in time and space for the sub-asset level annotation.
</pre>

<code>.google.cloud.visionai.v1.Partition partition = 3;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/UserSpecifiedAnnotation.java