import 'system_config.dart'; /// get config or null from system config String? getConfigOrNull(String key, {String? defaultValue}) => SystemConfig.getOrNull(key, defaultValue: defaultValue); /// get config with non-null from system config String getConfig(String key, {String? defaultValue}) => SystemConfig.get(key, defaultValue: defaultValue); /// check has config key or not from system config bool hasConfigkey(String key) => SystemConfig.containsKey(key); /// set config into memory void setConfig(String key, String? value) => SystemConfig.set(key, value);