Add a side effect to the reply, to `cloudstate.tck.model.EventSourcedTwo/Call`.

Emit an event, with the event value in a `Persisted` message.

Fail the current command with the given description `message`.

Replace the response with a forward to `cloudstate.tck.model.EventSourcedTwo/Call`.

The `Persisted` message wraps both snapshot and event values.

A `Request` message contains any actions that the entity should process.

Each `RequestAction` is one of: - Emit: emit an event, with a given value.

The `Response` message for the `Process` must contain the current state (after processing actions).

UnimplementedEventSourcedConfiguredServer must be embedded to have forward compatible implementations.

UnimplementedEventSourcedTckModelServer must be embedded to have forward compatible implementations.

UnimplementedEventSourcedTwoServer must be embedded to have forward compatible implementations.

EventSourcedConfiguredClient is the client API for EventSourcedConfigured service.

EventSourcedConfiguredServer is the server API for EventSourcedConfigured service.

EventSourcedTckModelClient is the client API for EventSourcedTckModel service.

EventSourcedTckModelServer is the server API for EventSourcedTckModel service.

EventSourcedTwoClient is the client API for EventSourcedTwo service.

EventSourcedTwoServer is the server API for EventSourcedTwo service.

UnsafeEventSourcedConfiguredServer may be embedded to opt out of forward compatibility for this service.

UnsafeEventSourcedTckModelServer may be embedded to opt out of forward compatibility for this service.

UnsafeEventSourcedTwoServer may be embedded to opt out of forward compatibility for this service.