jp.wasabeef.blurry; cannot be accessed from outside package

[Mkurbanov]

Error on add callback (java).

android.graphics.Bitmap bitmapDrawable = (android.graphics.Bitmap) Blurry.with(context)
                                        .animate(1000)
                                        .radius(25)
                                        .sampling(8)
                                        .capture(frame)
                                        .getAsync(new BlurTask.Callback() {
                                            @Override
                                            public void done(Bitmap bitmap) {
                                                //do it
                                            }
                                        });

error: BlurTask is not public in jp.wasabeef.blurry; cannot be accessed from outside package
import jp.wasabeef.blurry.BlurTask;
^