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raise NotImplementedError(self.get_config)
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def check_conversion_target(self, target_format):
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raise NotImplementedError(self.check_conversion_target)
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def clone(self, url, revision_id=None, force_new_repo=False,
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preserve_stacking=False):
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:param url: The url create the clone at. If url's last component does
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not exist, it will be created.