DbTileQuerySortBy extension Null safety

on

Methods

sortByLastModified() QueryBuilder<DbTile, DbTile, QAfterSortBy>
sortByLastModifiedDesc() QueryBuilder<DbTile, DbTile, QAfterSortBy>
sortByUrl() QueryBuilder<DbTile, DbTile, QAfterSortBy>
sortByUrlDesc() QueryBuilder<DbTile, DbTile, QAfterSortBy>