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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 dumps(self, with_defaults=False):
 """ Generate a string representing all the configuration values. Args: with_defaults (bool):
 if ``True``, values of items with no custom values will be included in the output if they have a default value set. """

        return self._rw.dump_config_to_string(self._config, with_defaults=with_defaults)