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