interface ISomething
	pass


class Wrapper
	implements ISomething

	get wrapped as ISomething
		return this


class A<of T>
	implements ISomething

	def foo(t as ISomething) as bool
		if t inherits Wrapper
			t = t.wrapped
		return false


class B
	inherits A<of Object> # inheriting a constructed generic

	def foo(t as ISomething) as bool
		return base.foo(t)  # at one point, this caused a false error message, claiming that 't' in the base method was type Wrapper.


class Test

	def main is shared
		pass