Read persisted deferred strategy state for this context.
Promise resolving to strategy state snapshot or null if none persisted
Initialize storage for this strategy state context.
Whether this is the first initialization
Promise that resolves when initialization is complete
Write deferred strategy state for this context (null to clear).
Strategy state snapshot to persist, or null to clear
Promise that resolves when write is complete
Per-context deferred strategy state persistence instance interface. Scoped to a specific (symbol, strategyName, exchangeName) triple.
Custom adapters should implement this interface to override the default file-based deferred strategy state persistence behavior.