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

 <spot>public interface X</spot> {
   void f();
 }
 class Y implements X {
   public void f() {
   }
 }
	<spot>public interface X</spot> {
	void f();
	}
	class Y implements X {
	public void f() {
	}
	}