public com.google.protobuf.TimestampOrBuilder getCaptureTimeOrBuilder() {
      if (captureTimeBuilder_ != null) {
        return captureTimeBuilder_.getMessageOrBuilder();
      } else {
        return captureTime_ == null
            ? com.google.protobuf.Timestamp.getDefaultInstance()
            : captureTime_;
      }
    }
<pre>
Input only. The capture time of the packet.
</pre>

<code>
.google.protobuf.Timestamp capture_time = 1 [(.google.api.field_behavior) = INPUT_ONLY];
</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/PacketHeader.java