|  | // Copyright (c) 2021, 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.retrace; | 
|  |  | 
|  | import com.android.tools.r8.keepanno.annotations.KeepForApi; | 
|  | import java.util.List; | 
|  | import java.util.function.Consumer; | 
|  | import java.util.stream.Stream; | 
|  |  | 
|  | @KeepForApi | 
|  | public interface RetraceFrameElement extends RetraceElement<RetraceFrameResult> { | 
|  |  | 
|  | boolean isUnknown(); | 
|  |  | 
|  | RetracedMethodReference getTopFrame(); | 
|  |  | 
|  | RetraceClassElement getClassElement(); | 
|  |  | 
|  | void forEach(Consumer<RetracedSingleFrame> consumer); | 
|  |  | 
|  | Stream<RetracedSingleFrame> stream(); | 
|  |  | 
|  | void forEachRewritten(Consumer<RetracedSingleFrame> consumer); | 
|  |  | 
|  | Stream<RetracedSingleFrame> streamRewritten(RetraceStackTraceContext context); | 
|  |  | 
|  | RetracedSourceFile getSourceFile(RetracedClassMemberReference frame); | 
|  |  | 
|  | List<? extends RetracedMethodReference> getOuterFrames(); | 
|  |  | 
|  | RetraceStackTraceContext getRetraceStackTraceContext(); | 
|  | } |