|  | // 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.experimental.graphinfo; | 
|  |  | 
|  | import com.android.tools.r8.Keep; | 
|  |  | 
|  | @Keep | 
|  | public abstract class GraphNode { | 
|  |  | 
|  | private final boolean isLibraryNode; | 
|  |  | 
|  | public GraphNode(boolean isLibraryNode) { | 
|  | this.isLibraryNode = isLibraryNode; | 
|  | } | 
|  |  | 
|  | public boolean isLibraryNode() { | 
|  | return isLibraryNode; | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public abstract boolean equals(Object o); | 
|  |  | 
|  | @Override | 
|  | public abstract int hashCode(); | 
|  |  | 
|  | @Override | 
|  | public abstract String toString(); | 
|  | } |