OptionalbackoffOptionalinitialInitial interval before the first retry, default '1s' (HMSH_DURABLE_INITIAL_INTERVAL)
OptionallogLog level: debug, info, warn, error
OptionalmaximumMaximum number of attempts, default 50 (HMSH_DURABLE_MAX_ATTEMPTS)
OptionalmaximumMaximum interval between retries, default 120s (HMSH_DURABLE_MAX_INTERVAL)
Backoff coefficient for retry logic, default 10 (HMSH_DURABLE_EXP_BACKOFF)