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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 to_dict(self):
 """Returns parameters to replicate the distribution."""

        result = {
            'type': get_qualified_name(self),
            'fitted': self.fitted,
            'constant_value': self.constant_value
        }

        if not self.fitted:
            return result

        result.update(self._fit_params())
        return result