OAuth Client policy configuration properties
cacheExpirationTime (com.akana.oauth.client.server.config.cacheExpirationTime)
                                                    
                                                How long the cache to live, in seconds
Default: 240
cacheIdleTime (com.akana.oauth.client.server.config.cacheIdleTime)
                                                    
                                            idle time, in seconds
Default: 240