func RetryWithBackoff(backoff Backoff, fn func() error) error {
	return RetryWithBackoffCtx(context.Background(), backoff, fn)
}
func RetryWithBackoff(backoff Backoff, fn func() error) error {
	return RetryWithBackoffCtx(context.Background(), backoff, fn)
}
func RetryWithBackoff ( backoff Backoff , fn func ( ) error ) error { return RetryWithBackoffCtx ( context . Background ( ) , backoff , fn ) }
// RetryWithBackoff takes a Backoff and a function to call that returns an error
// If the error is nil then the function will no longer be called
// If the error is Retriable then that will be used to determine if it should be
// retried
RetryWithBackoff takes a Backoff and a function to call that returns an error If the error is nil then the function will no longer be called If the error is Retriable then that will be used to determine if it should be retried