public com.google.storagetransfer.v1.proto.TransferTypes.EventStreamOrBuilder
          getEventStreamOrBuilder() {
        if (eventStreamBuilder_ != null) {
          return eventStreamBuilder_.getMessageOrBuilder();
        } else {
          return eventStream_ == null
              ? com.google.storagetransfer.v1.proto.TransferTypes.EventStream.getDefaultInstance()
              : eventStream_;
        }
      }
<pre>
Specifies the event stream for the transfer job for event-driven transfers.
When EventStream is specified, the Schedule fields are ignored.
</pre>

<code>.google.storagetransfer.v1.EventStream event_stream = 15;</code>
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java