DataServiceBuilder<X> extension Null safety

on

Methods

buildFromStream({DataServiceWidgetBuilder<X>? builder, dynamic key, bool isSliver = false, bool crossFade = true, bool allowNull = false, SimpleWidgetBuilder loading = kLoader}) Widget
buildWithContext({DataServiceWidgetBuilderWithContext<X>? builder, String? key, bool allowNull = false, bool isSliver = false, bool crossFade = true, SimpleWidgetBuilder? loading}) Widget