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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def empty(cls, base_uri=None, draft=AUTO):
 """Returns an empty ``Document``. Arguments: - ``base_uri``: optional URL used as the basis when expanding relative URLs in the document. - ``draft``: a ``Draft`` instance that selects the version of the spec to which the document should conform. Defaults to ``drafts.AUTO``. """

        return cls.from_object({}, base_uri=base_uri, draft=draft)