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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 dump(self):
 """Serialize this object."""


        return {
            'target': str(self.target),
            'data': base64.b64encode(self.data).decode('utf-8'),
            'var_id': self.var_id,
            'valid': self.valid
        }