GetTimelines.
        :param str scope_identifier: The project GUID to scope the request
        :param str hub_name: The name of the server hub: "build" for the Build server or "rm" for the Release Management server
        :param str plan_id:
        :rtype: [Timeline]

def get_timelines(self, scope_identifier, hub_name, plan_id):
        """GetTimelines.
        :param str scope_identifier: The project GUID to scope the request
        :param str hub_name: The name of the server hub: "build" for the Build server or "rm" for the Release Management server
        :param str plan_id:
        :rtype: [Timeline]
        """
        route_values = {}
        if scope_identifier is not None:
            route_values['scopeIdentifier'] = self._serialize.url('scope_identifier', scope_identifier, 'str')
        if hub_name is not None:
            route_values['hubName'] = self._serialize.url('hub_name', hub_name, 'str')
        if plan_id is not None:
            route_values['planId'] = self._serialize.url('plan_id', plan_id, 'str')
        response = self._send(http_method='GET',
                              location_id='83597576-cc2c-453c-bea6-2882ae6a1653',
                              version='5.0',
                              route_values=route_values)
        return self._deserialize('[Timeline]', self._unwrap_collection(response))