RefactorInsight-master/plugin/src/test/testData/miningService/commit_2/src/MountainBike.java
public class MountainBike extends Bicycle{

    public int seatHeight;

    public MountainBike(int gear, int speed, int seatHeight) {
        super(gear, speed);
        this.seatHeight = seatHeight;
    }

    public void setHeight(int newValue)
    {
        seatHeight = newValue;
    }

    public void doubleSpeed() {
        this.speed *= 2;
    }
}
