PreInit.java

@Listener
public void onPreInit(GamePreInitializationEvent e) {
    try (CauseStackManager.StackFrame frame = Sponge.getCauseStackManager().pushCauseFrame()) {
        frame.pushCause(container);
        DataRegistration.builder()
                .name(DISGUISED.getName())
                .id(DISGUISED.getId()) // prefix is added for you and you can't add it yourself
                .dataClass(DisguisedData.class)
                .immutableClass(DisguisedData.Immutable.class)
                .builder(new DisguisedDataImpl.Builder())
                .build();
    }
}