@java.lang.Override
    public com.google.protobuf.Timestamp getEventStreamStartTime() {
      return eventStreamStartTime_ == null
          ? com.google.protobuf.Timestamp.getDefaultInstance()
          : eventStreamStartTime_;
    }
<pre>
Specifies the date and time that Storage Transfer Service starts
listening for events from this stream. If no start time is specified or
start time is in the past, Storage Transfer Service starts listening
immediately.
</pre>

<code>.google.protobuf.Timestamp event_stream_start_time = 2;</code>

@return The eventStreamStartTime.
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java