Module config 

StateBackendConfig: tagged enum selecting the runtime state backend. Three shapes: in_process, local (filesystem path), object_store (s3/gcs/file url).

Structs

StorageOptions

Cloud credential/config overrides for the state object store. Debug redacts values — they can hold secrets (aws_secret_access_key, …).

Enums

DiscoveryMode

How nodes discover one another in object_store mode.

StateBackendBuildError

Failure modes for StateBackendConfig::build.

StateBackendConfig

Tagged-union config that selects the runtime StateBackend.

Constants

DEFAULT_VNODE_CAPACITY

Default number of vnodes if the user does not override.