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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 traverse(self, traverser, **kwargs):
 """ Implementation of mandatory interface for traversing the whole rule tree. This method will call the ``traverse`` method of child rule tree and then perform arbitrary conversion of the result before returning it back. The optional ``kwargs`` are passed down to traverser callback as additional arguments and can be used to provide additional data or context. :param pynspect.rules.RuleTreeTraverser traverser: Traverser object providing appropriate interface. :param dict kwargs: Additional optional keyword arguments to be passed down to traverser callback. """

        result = self.rule.traverse(traverser, **kwargs)
        return self.conversion(result)