| protected static <T> T | RMProxy. createRMProxyFederation(Configuration configuration,
                       Class<T> protocol,
                       RMProxy<T> instance)This functionality is only used for NodeManager and only in non-HA mode. | 
| protected static <T> org.apache.hadoop.yarn.client.RMFailoverProxyProvider<T> | RMProxy. getRMFailoverProxyProvider(YarnConfiguration conf,
                          Class<T> protocol,
                          RMProxy<T> instance) | 
| protected static <T> T | RMProxy. newProxyInstanceFederation(YarnConfiguration conf,
                          Class<T> protocol,
                          RMProxy<T> instance,
                          org.apache.hadoop.io.retry.RetryPolicy retryPolicy) |