The position within the resource of the next byte.
- iOS 7.0+
- macOS 10.9+
- Mac Catalyst 13.0+
- tvOS 9.0+
When incrementally loading data you should begin loading at this offset, returning the data by invoking the
respondWithData: method. Bytes previous to this value have already been provided.
Providing Data to a Request
The position within the resource of the first byte requested.
A Boolean value that indicates the entire remaining length of the resource from the offest to the end of the resource is being requested.