GetPolicyConfigurationRevision.
        Retrieve a specific revision of a given policy by ID.
        :param str project: Project ID or project name
        :param int configuration_id: The policy configuration ID.
        :param int revision_id: The revision ID.
        :rtype: :class:`<PolicyConfiguration> <azure.devops.v5_0.policy.models.PolicyConfiguration>`

def get_policy_configuration_revision(self, project, configuration_id, revision_id):
        """GetPolicyConfigurationRevision.
        Retrieve a specific revision of a given policy by ID.
        :param str project: Project ID or project name
        :param int configuration_id: The policy configuration ID.
        :param int revision_id: The revision ID.
        :rtype: :class:`<PolicyConfiguration> <azure.devops.v5_0.policy.models.PolicyConfiguration>`
        """
        route_values = {}
        if project is not None:
            route_values['project'] = self._serialize.url('project', project, 'str')
        if configuration_id is not None:
            route_values['configurationId'] = self._serialize.url('configuration_id', configuration_id, 'int')
        if revision_id is not None:
            route_values['revisionId'] = self._serialize.url('revision_id', revision_id, 'int')
        response = self._send(http_method='GET',
                              location_id='fe1e68a2-60d3-43cb-855b-85e41ae97c95',
                              version='5.0',
                              route_values=route_values)
        return self._deserialize('PolicyConfiguration', response)