public async Task <(string, TestPipeline.AnyBox)> GetAnyCap(uint n, BareProxy inCap, CancellationToken cancellationToken_)
{
Interlocked.Increment(ref _counters.CallCount);
Assert.AreEqual(234u, n);
var s = await inCap.Cast <ITestInterface>(true).Foo(123, true, cancellationToken_);
Assert.AreEqual("foo", s);
return("bar", new TestPipeline.AnyBox()
{
Cap = BareProxy.FromImpl(new TestExtendsImpl(_counters))
});
}