}
        }
        registry.realize("bah", ModelType.UNTYPED)

        then:
        e = thrown(ModelRuleExecutionException)
        def missingMethod = e.cause
        assert missingMethod instanceof MissingMethodException
        missingMethod.method == 'unknown'
    }

    static class TestObject {
        String prop

        def defineSomeThing(Closure cl) {
            cl.delegate = this

	// Mitigations for interface comparisons and generics.
	// TODO(https://github.com/golang/go/issues/50658): Support more precise conclusion.
	if free.Has(V) || free.Has(T) {
		return nil
	}
	if f, wrongType := types.MissingMethod(V, T, false); wrongType {
		return f
	}
	return nil
}

func run(pass *analysis.Pass) (interface{}, error) {
	inspect := pass.ResultOf[inspect.Analyzer].(*inspector.Inspector)
	nodeFilter := []ast.Node{