Protocol for classes implementing listeners for client configuration state changes. This can correspond to changing proeprties on the SCC such as host, port, endpoint details etc. Follow the protocol and implement the required method to listen to property value changes initiated from the server or client. Property Ids 1 ~~ MCL_PROP_ID_CONNECTION_SERVER_NAME 2 ~~ MCL_PROP_ID_CONNECTION_SERVER_PORT 3 ~~ MCL_PROP_ID_CONNECTION_FARM_ID 7 ~~ MCL_PROP_ID_CONNECTION_DOMAIN 8 ~~ MCL_PROP_ID_CONNECTION_SYNC_SVR_HOST 9 ~~ MCL_PROP_ID_CONNECTION_SYNC_SVR_PORT 10 ~~ MCL_PROP_ID_CONNECTION_SYNC_SVR_PROTOCOL 11 ~~ MCL_PROP_ID_CONNECTION_SYNC_SVR_URL_SUFFIX 12 ~~ MCL_PROP_ID_CONNECTION_SYNC_SVR_STREAM_PARAMS 20 ~~ MCL_PROP_ID_CONNECTION_USE_HTTPS 10001 ~~ MCL_PROP_ID_CONNECTION_USER_NAME 10002 ~~ MCL_PROP_ID_CONNECTION_ACTIVATION_CODE 1200 ~~ MCL_PROP_ID_DEVICE_MODEL 1201 ~~ MCL_PROP_ID_DEVICE_SUBTYPE 1202 ~~ MCL_PROP_ID_DEVICE_PHONE_NUMBER 1203 ~~ MCL_PROP_ID_DEVICE_IMSI 1302 ~~ MCL_PROP_ID_ADVANCED_MOCA_TRACE_LEVEL 1303 ~~ MCL_PROP_ID_ADVANCED_MOCA_TRACE_SIZE 1305 ~~ MCL_PROP_ID_ADVANCED_RELAY_SVR_URL_TEMPLATE 2300 ~~ MCL_PROP_DEF_CUSTOM_CUSTOM1 2301 ~~ MCL_PROP_DEF_CUSTOM_CUSTOM2 2302 ~~ MCL_PROP_DEF_CUSTOM_CUSTOM3 2303 ~~ MCL_PROP_DEF_CUSTOM_CUSTOM4 2400 ~~ MCL_PROP_ID_IPHONE_SEC_MIN_PASSWORD_LENGTH 2401 ~~ MCL_PROP_ID_IPHONE_SEC_REQUIRE_STRONG_PASSWORD 2402 ~~ MCL_PROP_ID_IPHONE_SEC_IDLE_TIMEOUT 2403 ~~ MCL_PROP_ID_IPHONE_SEC_MISSED_PASSWORD_DATA_WIPE 2800 ~~ MCL_PROP_ID_SECURITY_E2E_ENCRYPTION_ENABLED 2801 ~~ MCL_PROP_ID_SECURITY_E2E_ENCRYPTION_TYPE 2802 ~~ MCL_PROP_ID_SECURITY_TLS_TYPE 1400 ~~ MCL_PROP_ID_FT_SM_LEVEL 3000 ~~ MCL_PROP_ID_PROXY_APPLICATION_ENDPOINT 3001 ~~ MCL_PROP_ID_PROXY_PUSH_ENDPOINT 10005 ~~ MCL_PROP_ID_CONNECTION_AUTO_REGISTRATION_HINT 20000 ~~ MCL_PROP_ID_SETTINGS_EXCHANGE_COMPLETE