Run rename-import tests with the new analysis driver.

pkg/analyzer/lib/src/dart/element/element.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.
 
 library analyzer.src.dart.element.element;
 
 import 'dart:collection';
 import 'dart:math' show min;
 
 import 'package:analyzer/dart/ast/ast.dart';
@@ skipping 4151 matching lines @@
     super.uriOffset = uriOffset;
   }
 
   @override
   /*=T*/ accept/*<T>*/(ElementVisitor<dynamic/*=T*/ > visitor) =>
       visitor.visitExportElement(this);
 
   @override
   void appendTo(StringBuffer buffer) {
     buffer.write("export ");
-    (exportedLibrary as LibraryElementImpl).appendTo(buffer);
+    LibraryElementImpl.getImpl(exportedLibrary).appendTo(buffer);
   }
 }
 
 /**
  * A concrete implementation of a [FieldElement].
  */
 class FieldElementImpl extends PropertyInducingElementImpl
     implements FieldElement {
   /**
    * Initialize a newly created synthetic field element to have the given [name]
@@ skipping 936 matching lines @@
     super.uriOffset = uriOffset;
   }
 
   @override
   /*=T*/ accept/*<T>*/(ElementVisitor<dynamic/*=T*/ > visitor) =>
       visitor.visitImportElement(this);
 
   @override
   void appendTo(StringBuffer buffer) {
     buffer.write("import ");
-    (importedLibrary as LibraryElementImpl).appendTo(buffer);
+    LibraryElementImpl.getImpl(importedLibrary).appendTo(buffer);
   }
 
   @override
   void visitChildren(ElementVisitor visitor) {
     super.visitChildren(visitor);
     prefix?.accept(visitor);
   }
 
   static List<NamespaceCombinator> _buildCombinators(
       List<UnlinkedCombinator> unlinkedCombinators) {
@@ skipping 790 matching lines @@
   @override
   void visitChildren(ElementVisitor visitor) {
     super.visitChildren(visitor);
     _definingCompilationUnit?.accept(visitor);
     safelyVisitChildren(exports, visitor);
     safelyVisitChildren(imports, visitor);
     safelyVisitChildren(_parts, visitor);
   }
 
   /**
+   * Return the [LibraryElementImpl] of the given [element].
+   */
+  static LibraryElementImpl getImpl(LibraryElement element) {
+    if (element is LibraryElementHandle) {
+      return getImpl(element.actualElement);
+    }
+    return element as LibraryElementImpl;
+  }
+
+  /**
    * Return `true` if the [library] has the given [capability].
    */
   static bool hasResolutionCapability(
       LibraryElement library, LibraryResolutionCapability capability) {
     return library is LibraryElementImpl &&
         BooleanArray.get(library._resolutionCapabilities, capability.index);
   }
 }
 
 /**
@@ skipping 2559 matching lines @@
 
   @override
   void visitElement(Element element) {
     int offset = element.nameOffset;
     if (offset != -1) {
       map[offset] = element;
     }
     super.visitElement(element);
   }
 }