How to use the ember-animated/motions/opacity.fadeOut function in ember-animated

        removedSprites.forEach((sprite: Sprite) => fadeOut(sprite));

    yield Promise.all(removedSprites.map(sprite => fadeOut(sprite, { duration: 200 })));

removedSprites.forEach(sprite => {
      fadeOut(sprite, { duration });
    });
  }

    removedSprites.forEach(sprite => fadeOut(sprite, { duration: duration / 2 }));
  }

*separateTransition({ insertedSprites, removedSprites, keptSprites }) {
    for (let sprite of insertedSprites) {
      sprite.startTranslatedBy(0, -sprite.finalBounds.height);
      move(sprite);
    }

    for (let sprite of keptSprites) {
      move(sprite);
    }

    for (let sprite of removedSprites) {
      fadeOut(sprite);
    }
  },