interface IFoo

	def foo
		
		
class Test
	implements IFoo
	
	def foo
		pass
		
	def process(foo as IFoo) is shared
		foo.foo
		# use System.Object methods:
		assert foo.equals(foo)
		assert foo.getHashCode <> 0
		assert foo.toString.length
		assert foo.getType is Test  # used to cause bug in C# code gen
		assert foo.getType inherits Type  # .warning. always

	def main is shared
		.process(Test())