ReadonlykindReadonlyloadingReadonlypriorReadonlypriorEmpty when the earlier copy has no ETag.
Optional ReadonlypriorReadonlypriorityOptional ReadonlypriorOptional ReadonlyrangeThe only bytes of the resource that the request wants.
ReadonlyrequestedThe URL as the style names it.
ReadonlyresolvedThe URL to load, after the library expands any shorthand in requested_url
and before any resource transform. Routes match this URL.
ReadonlystorageReadonlyusage
A request that a resource provider serves.
When the cache holds an earlier copy of the resource, the
prior_fields describe it.See
mln_resource_request_infoin the C API reference.