New creates a new retrier with a global timeout (max time allowed for the whole execution) The default retry policy is to always retry with no wait time in between retries.

NewWithMaxRetries creates a new retrier with no global timeout and a max retries policy.

Retry runs fn with a MaxRetriesPolicy.

WithMaxRetries sets a retry policy that will retry up to maxRetries times with a wait time between retries of backOffPeriod.