namespace Microsoft.EntityFrameworkCore.Query
{
    public abstract class Ef6GroupByTestBase<TFixture> : QueryTestBase<TFixture>
        where TFixture, new(), Ef6GroupByFixtureBase
    {
        [ConditionalTheory]
        [MemberData("IsAsyncData", new[] {  })]
        public virtual Task GroupBy_is_optimized_when_projecting_group_key(bool async);
    }
}