|  | // 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.diagnostic; | 
|  |  | 
|  | import com.android.tools.r8.Diagnostic; | 
|  | import com.android.tools.r8.Keep; | 
|  | import java.util.Collection; | 
|  |  | 
|  | /** | 
|  | * Information about items that are not part of the compilation unit, but which are referenced from | 
|  | * a reachable program location. | 
|  | */ | 
|  | @Keep | 
|  | public interface MissingDefinitionsDiagnostic extends Diagnostic { | 
|  |  | 
|  | /** | 
|  | * Returns a collection containing information about each of the missing definitions, along with | 
|  | * contextual information describing where these missing definitions are referenced from. | 
|  | */ | 
|  | Collection<MissingDefinitionInfo> getMissingDefinitions(); | 
|  | } |