private com.google.protobuf.SingleFieldBuilderV3<
              com.google.storagetransfer.v1.proto.TransferTypes.EventStream,
              com.google.storagetransfer.v1.proto.TransferTypes.EventStream.Builder,
              com.google.storagetransfer.v1.proto.TransferTypes.EventStreamOrBuilder>
          getEventStreamFieldBuilder() {
        if (eventStreamBuilder_ == null) {
          eventStreamBuilder_ =
              new com.google.protobuf.SingleFieldBuilderV3<
                  com.google.storagetransfer.v1.proto.TransferTypes.EventStream,
                  com.google.storagetransfer.v1.proto.TransferTypes.EventStream.Builder,
                  com.google.storagetransfer.v1.proto.TransferTypes.EventStreamOrBuilder>(
                  getEventStream(), getParentForChildren(), isClean());
          eventStream_ = null;
        }
        return eventStreamBuilder_;
      }
<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