whereLoadingBuilder method
Creates a WidgetSelector that finds all Image where loadingBuilder matches the condition.
Example usage:
spot<Image>().whereLoadingBuilder((it) => it.equals(() {})).existsOnce();
Implementation
@useResult
WidgetSelector<Image> whereLoadingBuilder(MatchProp<Function> match) {
return withDiagnosticProp<Function>('loadingBuilder', match);
}