Persistence (Durable State) Durable State Module info Introduction Example and core API Effects and Side Effects Cluster Sharding and DurableStateBehavior Accessing the ActorContext Changing Behavior Replies Serialization Tagging Wrapping DurableStateBehavior Style Guide Command handlers in the state Optional initial state Leveraging Java 21 features CQRS Persistence Query Dependency Introduction Using query with Akka Projections Building a storage backend for Durable State State Store plugin API State Store provider Configure the State Store