//apple_ref/occ/intf/PINRemoteImageManagerAlternateRepresentationProvider

PINAlternateRepresentationProvider.h

//apple_ref/occ/intfm/PINRemoteImageManagerAlternateRepresentationProvider/alternateRepresentationWithData:options:

This method will be called with data off the wire or stored in the cache. Return an object to have it returned as the alternativeRepresentation object in the PINRemoteImageManagerResult. @warning this method can be called on the main thread, be careful of doing expensive work.

PINAlternateRepresentationProvider.h - (id)alternateRepresentationWithData:(NSData *)data options:(PINRemoteImageManagerDownloadOptions)options //api/name/alternateRepresentationWithData:options: