src/test/java/com/android/tools/r8/NoUnusedInterfaceRemoval.java - r8 - Git at Google

 // Copyright (c) 2018, the R8 project authors. Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 package com.android.tools.r8;

 import java.lang.annotation.ElementType;
 import java.lang.annotation.Target;

 @Target({ElementType.TYPE})
 public @interface NoUnusedInterfaceRemoval {}
	// Copyright (c) 2018, the R8 project authors. Please see the AUTHORS file
	// for details. All rights reserved. Use of this source code is governed by a
	// BSD-style license that can be found in the LICENSE file.
	package com.android.tools.r8;

	import java.lang.annotation.ElementType;
	import java.lang.annotation.Target;

	@Target({ElementType.TYPE})
	public @interface NoUnusedInterfaceRemoval {}