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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 least_role() -> Role: """ Return the indy-sdk null role for a tails sync anchor, which does not need write access. :return: USER role """


        LOGGER.debug('NominalAnchor.least_role >>>')

        rv = Role.USER

        LOGGER.debug('NominalAnchor.least_role <<< %s', rv)
        return rv