Optional
If provided and if true, the engine router instance will be initialized as a readonly instance and will not consume messages from the stream channel. An engine in readonly mode can still read/write to the store and can still pub/sub events.
If provided and if true, the engine router instance will be initialized as a readonly instance and will not consume messages from the stream channel. An engine in readonly mode can still read/write to the store and can still pub/sub events.