Remove old instrumentation

pkg/analyzer/test/generated/engine_test.dart

 // Copyright (c) 2014, the Dart 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.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.engine_test;
 
 import 'dart:async';
@@ skipping 34 matching lines @@
   runReflectiveTests(AnalysisCacheTest);
   runReflectiveTests(AnalysisContextImplTest);
   runReflectiveTests(AnalysisTaskTest);
   runReflectiveTests(AnalysisOptionsImplTest);
   runReflectiveTests(DartEntryTest);
   runReflectiveTests(GenerateDartErrorsTaskTest);
   runReflectiveTests(GenerateDartHintsTaskTest);
   runReflectiveTests(GetContentTaskTest);
   runReflectiveTests(HtmlEntryTest);
   runReflectiveTests(IncrementalAnalysisCacheTest);
-  runReflectiveTests(InstrumentedAnalysisContextImplTest);
   runReflectiveTests(IncrementalAnalysisTaskTest);
   runReflectiveTests(ParseDartTaskTest);
   runReflectiveTests(ParseHtmlTaskTest);
   runReflectiveTests(PartitionManagerTest);
   runReflectiveTests(ResolveDartLibraryTaskTest);
   runReflectiveTests(ResolveDartUnitTaskTest);
   runReflectiveTests(ResolveHtmlTaskTest);
   runReflectiveTests(ScanDartTaskTest);
   runReflectiveTests(SdkCachePartitionTest);
   runReflectiveTests(SourcesChangedEventTest);
@@ skipping 4833 matching lines @@
   IncrementalAnalysisTask task;
   IncrementalAnalysisTaskTestTV_assertTask(this.task);
   @override
   CompilationUnit
       visitIncrementalAnalysisTask(IncrementalAnalysisTask incrementalAnalysisTask) =>
       task.compilationUnit;
 }
 
 
 @ReflectiveTestCase()
-class InstrumentedAnalysisContextImplTest extends EngineTestCase {
-  void test_addSourceInfo() {
-    TestAnalysisContext_test_addSourceInfo innerContext =
-        new TestAnalysisContext_test_addSourceInfo();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.addSourceInfo(null, null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_applyChanges() {
-    TestAnalysisContext_test_applyChanges innerContext =
-        new TestAnalysisContext_test_applyChanges();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.applyChanges(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_computeDocumentationComment() {
-    TestAnalysisContext_test_computeDocumentationComment innerContext =
-        new TestAnalysisContext_test_computeDocumentationComment();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.computeDocumentationComment(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_computeErrors() {
-    TestAnalysisContext_test_computeErrors innerContext =
-        new TestAnalysisContext_test_computeErrors();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.computeErrors(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_computeExportedLibraries() {
-    TestAnalysisContext_test_computeExportedLibraries innerContext =
-        new TestAnalysisContext_test_computeExportedLibraries();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.computeExportedLibraries(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_computeHtmlElement() {
-    TestAnalysisContext_test_computeHtmlElement innerContext =
-        new TestAnalysisContext_test_computeHtmlElement();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.computeHtmlElement(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_computeImportedLibraries() {
-    TestAnalysisContext_test_computeImportedLibraries innerContext =
-        new TestAnalysisContext_test_computeImportedLibraries();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.computeImportedLibraries(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_computeKindOf() {
-    TestAnalysisContext_test_computeKindOf innerContext =
-        new TestAnalysisContext_test_computeKindOf();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.computeKindOf(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_computeLibraryElement() {
-    TestAnalysisContext_test_computeLibraryElement innerContext =
-        new TestAnalysisContext_test_computeLibraryElement();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.computeLibraryElement(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_computeLineInfo() {
-    TestAnalysisContext_test_computeLineInfo innerContext =
-        new TestAnalysisContext_test_computeLineInfo();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.computeLineInfo(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_computeResolvableCompilationUnit() {
-    TestAnalysisContext_test_computeResolvableCompilationUnit innerContext =
-        new TestAnalysisContext_test_computeResolvableCompilationUnit();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.computeResolvableCompilationUnit(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_creation() {
-    expect(new InstrumentedAnalysisContextImpl(), isNotNull);
-  }
-
-  void test_dispose() {
-    TestAnalysisContext_test_dispose innerContext =
-        new TestAnalysisContext_test_dispose();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.dispose();
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_exists() {
-    TestAnalysisContext_test_exists innerContext =
-        new TestAnalysisContext_test_exists();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.exists(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getAnalysisOptions() {
-    TestAnalysisContext_test_getAnalysisOptions innerContext =
-        new TestAnalysisContext_test_getAnalysisOptions();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.analysisOptions;
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getAngularApplicationWithHtml() {
-    TestAnalysisContext_test_getAngularApplicationWithHtml innerContext =
-        new TestAnalysisContext_test_getAngularApplicationWithHtml();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.getAngularApplicationWithHtml(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getCompilationUnitElement() {
-    TestAnalysisContext_test_getCompilationUnitElement innerContext =
-        new TestAnalysisContext_test_getCompilationUnitElement();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.getCompilationUnitElement(null, null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getContents() {
-    TestAnalysisContext_test_getContents innerContext =
-        new TestAnalysisContext_test_getContents();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.getContents(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-//  void test_getContentsToReceiver() {
-//    TestAnalysisContext_test_getContentsToReceiver innerContext = new TestAnalysisContext_test_getContentsToReceiver();
-//    InstrumentedAnalysisContextImpl context
-//        = new InstrumentedAnalysisContextImpl.con1(innerContext);
-//    context.getContentsToReceiver(null, null);
-//    expect(innerContext.invoked, isTrue);
-//  }
-
-  void test_getElement() {
-    TestAnalysisContext_test_getElement innerContext =
-        new TestAnalysisContext_test_getElement();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.getElement(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getErrors() {
-    TestAnalysisContext_test_getErrors innerContext =
-        new TestAnalysisContext_test_getErrors();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.getErrors(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getHtmlElement() {
-    TestAnalysisContext_test_getHtmlElement innerContext =
-        new TestAnalysisContext_test_getHtmlElement();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.getHtmlElement(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getHtmlFilesReferencing() {
-    TestAnalysisContext_test_getHtmlFilesReferencing innerContext =
-        new TestAnalysisContext_test_getHtmlFilesReferencing();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.getHtmlFilesReferencing(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getHtmlSources() {
-    TestAnalysisContext_test_getHtmlSources innerContext =
-        new TestAnalysisContext_test_getHtmlSources();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.htmlSources;
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getKindOf() {
-    TestAnalysisContext_test_getKindOf innerContext =
-        new TestAnalysisContext_test_getKindOf();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.getKindOf(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getLaunchableClientLibrarySources() {
-    TestAnalysisContext_test_getLaunchableClientLibrarySources innerContext =
-        new TestAnalysisContext_test_getLaunchableClientLibrarySources();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.launchableClientLibrarySources;
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getLaunchableServerLibrarySources() {
-    TestAnalysisContext_test_getLaunchableServerLibrarySources innerContext =
-        new TestAnalysisContext_test_getLaunchableServerLibrarySources();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.launchableServerLibrarySources;
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getLibrariesContaining() {
-    TestAnalysisContext_test_getLibrariesContaining innerContext =
-        new TestAnalysisContext_test_getLibrariesContaining();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.getLibrariesContaining(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getLibrariesDependingOn() {
-    TestAnalysisContext_test_getLibrariesDependingOn innerContext =
-        new TestAnalysisContext_test_getLibrariesDependingOn();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.getLibrariesDependingOn(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getLibrariesReferencedFromHtml() {
-    TestAnalysisContext_test_getLibrariesReferencedFromHtml innerContext =
-        new TestAnalysisContext_test_getLibrariesReferencedFromHtml();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.getLibrariesReferencedFromHtml(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getLibraryElement() {
-    TestAnalysisContext_test_getLibraryElement innerContext =
-        new TestAnalysisContext_test_getLibraryElement();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.getLibraryElement(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getLibrarySources() {
-    TestAnalysisContext_test_getLibrarySources innerContext =
-        new TestAnalysisContext_test_getLibrarySources();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.librarySources;
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getLineInfo() {
-    TestAnalysisContext_test_getLineInfo innerContext =
-        new TestAnalysisContext_test_getLineInfo();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.getLineInfo(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getModificationStamp() {
-    TestAnalysisContext_test_getModificationStamp innerContext =
-        new TestAnalysisContext_test_getModificationStamp();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.getModificationStamp(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getPublicNamespace() {
-    TestAnalysisContext_test_getPublicNamespace innerContext =
-        new TestAnalysisContext_test_getPublicNamespace();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.getPublicNamespace(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getRefactoringUnsafeSources() {
-    TestAnalysisContext_test_getRefactoringUnsafeSources innerContext =
-        new TestAnalysisContext_test_getRefactoringUnsafeSources();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.refactoringUnsafeSources;
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getResolvedCompilationUnit_element() {
-    TestAnalysisContext_test_getResolvedCompilationUnit_element innerContext =
-        new TestAnalysisContext_test_getResolvedCompilationUnit_element();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.getResolvedCompilationUnit(null, null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getResolvedCompilationUnit_source() {
-    TestAnalysisContext_test_getResolvedCompilationUnit_source innerContext =
-        new TestAnalysisContext_test_getResolvedCompilationUnit_source();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.getResolvedCompilationUnit2(null, null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getResolvedHtmlUnit() {
-    TestAnalysisContext_test_getResolvedHtmlUnit innerContext =
-        new TestAnalysisContext_test_getResolvedHtmlUnit();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.getResolvedHtmlUnit(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getSourceFactory() {
-    TestAnalysisContext_test_getSourceFactory innerContext =
-        new TestAnalysisContext_test_getSourceFactory();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.sourceFactory;
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getStatistics() {
-    TestAnalysisContext_test_getStatistics innerContext =
-        new TestAnalysisContext_test_getStatistics();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.statistics;
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_getTypeProvider() {
-    TestAnalysisContext_test_getTypeProvider innerContext =
-        new TestAnalysisContext_test_getTypeProvider();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.typeProvider;
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_isClientLibrary() {
-    TestAnalysisContext_test_isClientLibrary innerContext =
-        new TestAnalysisContext_test_isClientLibrary();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.isClientLibrary(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_isDisposed() {
-    TestAnalysisContext_test_isDisposed innerContext =
-        new TestAnalysisContext_test_isDisposed();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.isDisposed;
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_isServerLibrary() {
-    TestAnalysisContext_test_isServerLibrary innerContext =
-        new TestAnalysisContext_test_isServerLibrary();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.isServerLibrary(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_parseCompilationUnit() {
-    TestAnalysisContext_test_parseCompilationUnit innerContext =
-        new TestAnalysisContext_test_parseCompilationUnit();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.parseCompilationUnit(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_parseHtmlUnit() {
-    TestAnalysisContext_test_parseHtmlUnit innerContext =
-        new TestAnalysisContext_test_parseHtmlUnit();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.parseHtmlUnit(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_performAnalysisTask() {
-    TestAnalysisContext_test_performAnalysisTask innerContext =
-        new TestAnalysisContext_test_performAnalysisTask();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.performAnalysisTask();
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_recordLibraryElements() {
-    TestAnalysisContext_test_recordLibraryElements innerContext =
-        new TestAnalysisContext_test_recordLibraryElements();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.recordLibraryElements(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_resolveCompilationUnit() {
-    TestAnalysisContext_test_resolveCompilationUnit innerContext =
-        new TestAnalysisContext_test_resolveCompilationUnit();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.resolveCompilationUnit2(null, null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_resolveCompilationUnit_element() {
-    TestAnalysisContext_test_resolveCompilationUnit_element innerContext =
-        new TestAnalysisContext_test_resolveCompilationUnit_element();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.resolveCompilationUnit(null, null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_resolveHtmlUnit() {
-    TestAnalysisContext_test_resolveHtmlUnit innerContext =
-        new TestAnalysisContext_test_resolveHtmlUnit();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.resolveHtmlUnit(null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_setAnalysisOptions() {
-    TestAnalysisContext_test_setAnalysisOptions innerContext =
-        new TestAnalysisContext_test_setAnalysisOptions();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.analysisOptions = null;
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_setAnalysisPriorityOrder() {
-    TestAnalysisContext_test_setAnalysisPriorityOrder innerContext =
-        new TestAnalysisContext_test_setAnalysisPriorityOrder();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.analysisPriorityOrder = null;
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_setChangedContents() {
-    TestAnalysisContext_test_setChangedContents innerContext =
-        new TestAnalysisContext_test_setChangedContents();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.setChangedContents(null, null, 0, 0, 0);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_setContents() {
-    TestAnalysisContext_test_setContents innerContext =
-        new TestAnalysisContext_test_setContents();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.setContents(null, null);
-    expect(innerContext.invoked, isTrue);
-  }
-
-  void test_setSourceFactory() {
-    TestAnalysisContext_test_setSourceFactory innerContext =
-        new TestAnalysisContext_test_setSourceFactory();
-    InstrumentedAnalysisContextImpl context =
-        new InstrumentedAnalysisContextImpl.con1(innerContext);
-    context.sourceFactory = null;
-    expect(innerContext.invoked, isTrue);
-  }
-}
-
-
-@ReflectiveTestCase()
 class ParseDartTaskTest extends EngineTestCase {
   void test_accept() {
     ParseDartTask task = new ParseDartTask(null, null, null, null);
     expect(task.accept(new ParseDartTaskTestTV_accept()), isTrue);
   }
 
   void test_getCompilationUnit() {
     ParseDartTask task = new ParseDartTask(null, null, null, null);
     expect(task.compilationUnit, isNull);
   }
@@ skipping 2083 matching lines @@
   bool contains(Source source) => source == libB;
 }
 
 
 class _UniversalCachePartitionTest_test_setMaxCacheSize implements
     CacheRetentionPolicy {
   @override
   RetentionPriority getAstPriority(Source source, SourceEntry sourceEntry) =>
       RetentionPriority.LOW;
 }