namespace Microsoft.EntityFrameworkCore.Query
{
    public abstract class ShapedQueryCompilingExpressionVisitor : ExpressionVisitor
    {
        [AsyncStateMachine(typeof(<SingleOrDefaultAsync>d__16<?>))]
        [EntityFrameworkInternal]
        public static Task<TSource>! SingleOrDefaultAsync<TSource>(IAsyncEnumerable<TSource>! asyncEnumerable, CancellationToken cancellationToken = default);
    }
}