public com.google.protobuf.ByteString
        getEventBytes() {
      Object ref = event_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b = 
            com.google.protobuf.ByteString.copyFromUtf8(
                (String) ref);
        event_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
<code>string event = 6;</code>
@return The bytes for event.
examples/client/src/main/java/com/clickhouse/examples/protos/UIEvent.java