namespace Microsoft.EntityFrameworkCore
{
    public abstract class OptimisticConcurrencyTestBase<TFixture, TRowVersion> : Object, IClassFixture<TFixture>
        where TFixture, new(), F1FixtureBase<TRowVersion>
    {
        [AsyncStateMachine(typeof(<Adding_the_same_entity_twice_results_in_DbUpdateException>d__19))]
        [ConditionalFact]
        public virtual Task Adding_the_same_entity_twice_results_in_DbUpdateException();
    }
}