question: public static void upgradeServerInstance ( SSOToken ssoToken , String instanceName , String instanceId , Map < String , String > upgradedValues ) throws SMSException , SSOException , ConfigurationException , IOException { ServiceConfig sc = getServerConfig ( ssoToken , instanceName ) ; if ( sc != null ) { Map map = sc . getAttributes ( ) ; map . remove ( ATTR_PARENT_SITE_ID ) ; Set newSet = getPropertiesSet ( upgradedValues ) ; map . put ( ATTR_SERVER_CONFIG , newSet ) ; sc . setAttributes ( map ) ; } else { throw new ConfigurationException ( "Unable to upgrade server " + "default properties: no properties found!" ) ; } }
target:  Upgrades a server instance.