sg_storage_size_t getSize();
StorageActionPtr read(surf_file_t fd, sg_storage_size_t size);//FIXME:why we have a useless param ptr ??
StorageActionPtr write(surf_file_t fd, sg_storage_size_t size);//FIXME:why we have a useless param ptr ??
sg_storage_size_t getSize();
StorageActionPtr read(surf_file_t fd, sg_storage_size_t size);//FIXME:why we have a useless param ptr ??
StorageActionPtr write(surf_file_t fd, sg_storage_size_t size);//FIXME:why we have a useless param ptr ??