Readonlyattempt1-based retry attempt number (1 = first retry, not the initial try).
ReadonlycorrelationUnique request identifier (UUID v4).
ReadonlydelayBackoff delay in milliseconds before this retry fires.
ReadonlyerrorThe error that triggered the retry.
ReadonlymethodHTTP method, uppercase.
ReadonlyurlRequest URL (possibly relative to the client's baseURL).
Emitted each time a retry attempt is scheduled.