Metadata from the HTTP response that triggered this error. This is not serialized into the wire format — it's only available in-process for middleware (e.g. retry) to make informed decisions.
Optional
Raw HTTP response headers, if available.
Provider-suggested retry delay in milliseconds (parsed from Retry-After header).
Metadata from the HTTP response that triggered this error. This is not serialized into the wire format — it's only available in-process for middleware (e.g. retry) to make informed decisions.