content: package com.airbnb.lottie.animation.keyframe;
  
  import android.graphics.Path;
  
  import com.airbnb.lottie.model.animatable.AnimatableIntegerValue;
  import com.airbnb.lottie.model.content.Mask;
  import com.airbnb.lottie.model.content.ShapeData;
  
  import java.util.ArrayList;
  import java.util.List;
  
  public class MaskKeyframeAnimation {
    private final List<BaseKeyframeAnimation<ShapeData, Path>> maskAnimations;
    private final List<BaseKeyframeAnimation<Integer, Integer>> opacityAnimations;
    private final List<Mask> masks;
  
    public MaskKeyframeAnimation(List<Mask> masks) {
      this.masks = masks;
      this.maskAnimations = new ArrayList<>(masks.size());
      this.opacityAnimations = new ArrayList<>(masks.size());
      for (int i = 0; i < masks.size(); i++) {
        this.maskAnimations.add(masks.get(i).getMaskPath().createAnimation());
        AnimatableIntegerValue opacity = masks.get(i).getOpacity();
        opacityAnimations.add(opacity.createAnimation());
      }
    }
  
    public List<Mask> getMasks() {
      return masks;
    }
  
    public List<BaseKeyframeAnimation<ShapeData, Path>> getMaskAnimations() {
      return maskAnimations;
    }
  
    public List<BaseKeyframeAnimation<Integer, Integer>> getOpacityAnimations() {
      return opacityAnimations;
    }
  }
  