plugins/IntentionPowerPak/src/intentionDescriptions/ConvertInterfaceToClassIntention/after.java.template - platform/tools/idea - Git at Google

 public abstract class X {
   public abstract void f();
 }
 class Y extends X {
   public void f() {
   }
 }
	public abstract class X {
	public abstract void f();
	}
	class Y extends X {
	public void f() {
	}
	}