BlockSourceError.rateLimited(retryAfter:)

The source is rate-limiting the client. Surfaces only after all built-in retries have been exhausted.

case rateLimited(retryAfter: Duration?)

Parameters

retryAfter: The server-hinted wait duration, parsed from the Retry-After response header per RFC 9110 §10.2.3, if the response carried one. nil when the server did not provide a hint.