import com.github.ceedubs.ciris.ConfigValue; import com.github.ceedubs.ciris.Property; import java.util.Optional; public class MyAppConfig { private static final Property<String> DB_URL = Property.fromOption("db.url"); private static final Property<String> DB_USERNAME = Property.fromOption("db.username"); private static final Property<String> DB_PASSWORD = Property.fro\u200cmOption("db.password"); public static final ConfigValue<String> dbUrl = DB_URL.value(); public static final ConfigValue<String> dbUsername = DB_USERNAME.value(); public static final ConfigValue<String> dbPassword = DB_PASSWORD.value(); }