@java.lang.Override
    public boolean hasBucketList() {
      return sourceCase_ == 19;
    }
<pre>
Specifies a list of buckets and their objects to be transformed.
</pre>

<code>.google.cloud.storagebatchoperations.v1.BucketList bucket_list = 19;</code>

@return Whether the bucketList field is set.
java-storagebatchoperations/proto-google-cloud-storagebatchoperations-v1/src/main/java/com/google/cloud/storagebatchoperations/v1/Job.java