@interface SHSheetActivityItemUtilities : NSObject + (id)itemProvidersFromActivityItems:(id)a0; + (void)_loadMetadataFromRemainingGroupActivityItemProviders:(id)a0 loadedMetadata:(id)a1 loadedError:(id)a2 completion:(id /* block */)a3; + (void)loadMetadataFromGroupActivityItemProviders:(id)a0 completion:(id /* block */)a1; + (id)urlForActivityItem:(id)a0; @end