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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 _serialize(self, uri, node):
 """ Serialize node result as dict """

        meta = self._decode_meta(node['meta'], is_published=bool(node['is_published']))
        return {
            'uri': uri.clone(ext=node['plugin'], version=node['version']),
            'content': node['content'],
            'meta': meta
        }