Delete something from storage

class StorageDeleteExample {

    @Override
    void action() {
        GdxFIRStorage.promise()
                .then(GdxFIRStorage.inst().delete(STORAGE_PATH1))
                .then(GdxFIRStorage.inst().delete(STORAGE_PATH2))
                .then(GdxFIRStorage.inst().delete(STORAGE_PATH3))
                .after(GdxFIRAuth.inst().signInAnonymously())
                .then(new Consumer<Void>() {
                    @Override
                    public void accept(Void aVoid) {
                        success();
                    }
                });
    }

}