'Return the cached peeled value of a ref, if available.
:param name: Name of the ref to peel
:return: The peeled value of the ref. If the ref is known not point to
a tag, this will be the SHA the ref refers to. If no cached
information about a tag is available, this method may return None,
but it should attempt to peel the tag if possible.'

def get_peeled(self, name):

    return None
