TOP_LEVEL: <info descr="PY.ANNOTATION"><info descr="PY.BUILTIN_NAME">str</info></info> = 'foo'

class <info descr="PY.CLASS_DEFINITION">C</info>:
    attr: <info descr="PY.ANNOTATION">Optional[Any]</info> = None
    def <info descr="PY.FUNC_DEFINITION">method</info>(<info descr="PY.SELF_PARAMETER">self</info>, <info descr="PY.PARAMETER">xs</info>: <info descr="PY.ANNOTATION">List[<info descr="PY.BUILTIN_NAME">int</info>]</info>) -> <info descr="PY.ANNOTATION"><info descr="PY.KEYWORD">None</info></info>:
        pass