OptionalmaxOptionalmaxThe maximum number of retries that can be made for a single call, with an exponential backoff between each attempt. Defaults to 6.
OptionalonCustom handler to handle failed attempts. Takes the originally thrown error object as input, and should itself throw an error if the input error is not retryable.
The maximum number of concurrent calls that can be made. Defaults to
Infinity, which means no limit.