Elements. Remove V1 LibraryExportElement.

Change-Id: I7c334034cf3c19101b4f8b7bec7d6da243112941
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/423070
Reviewed-by: Brian Wilkerson <[email protected]>
Commit-Queue: Konstantin Shcheglov <[email protected]>

Author: scheglov

pkg/analyzer/api.txt

@@ -3130,7 +3130,6 @@ package:analyzer/dart/element/element.dart:
     new (constructor: LibraryElement Function())
     enclosingElement3 (getter: Null)
     exportNamespace (getter: Namespace)
-    exportedLibraries (getter: List<LibraryElement>)
     featureSet (getter: FeatureSet)
     identifier (getter: String)
     importedLibraries (getter: List<LibraryElement>)
@@ -3145,12 +3144,6 @@ package:analyzer/dart/element/element.dart:
     topLevelElements (getter: Iterable<Element>)
     typeProvider (getter: TypeProvider)
     typeSystem (getter: TypeSystem)
-  LibraryExportElement (class extends Object implements _ExistingElement, deprecated):
-    new (constructor: LibraryExportElement Function())
-    combinators (getter: List<NamespaceCombinator>)
-    exportKeywordOffset (getter: int)
-    exportedLibrary (getter: LibraryElement?)
-    uri (getter: DirectiveUri)
   LibraryImportElement (class extends Object implements _ExistingElement, deprecated):
     new (constructor: LibraryImportElement Function())
     combinators (getter: List<NamespaceCombinator>)

pkg/analyzer/lib/dart/element/element.dart

@@ -735,9 +735,6 @@ abstract class LibraryElement implements _ExistingElement {
   @override
   Null get enclosingElement3;
 
-  /// The libraries that are exported from this library.
-  List<LibraryElement> get exportedLibraries;
-
   /// The export [Namespace] of this library.
   Namespace get exportNamespace;
 
@@ -796,25 +793,6 @@ abstract class LibraryElement implements _ExistingElement {
   TypeSystem get typeSystem;
 }
 
-/// A single export directive within a library.
-///
-/// Clients may not extend, implement or mix-in this class.
-@Deprecated('Use LibraryExport instead')
-abstract class LibraryExportElement implements _ExistingElement {
-  /// The combinators that were specified as part of the `export` directive in
-  /// the order in which they were specified.
-  List<NamespaceCombinator> get combinators;
-
-  /// The [LibraryElement], if [uri] is a [DirectiveUriWithLibrary].
-  LibraryElement? get exportedLibrary;
-
-  /// The offset of the `export` keyword.
-  int get exportKeywordOffset;
-
-  /// The interpretation of the URI specified in the directive.
-  DirectiveUri get uri;
-}
-
 /// A single import directive within a library.
 ///
 /// Clients may not extend, implement or mix-in this class.

pkg/analyzer/lib/src/dart/element/element.dart

@@ -6651,19 +6651,15 @@ class LibraryElementImpl extends ElementImpl
   }
 
   @override
-  List<LibraryElementImpl> get exportedLibraries {
+  List<LibraryElementImpl> get exportedLibraries2 {
     return fragments
         .expand((fragment) => fragment.libraryExports)
-        .map((export) => export.exportedLibrary)
+        .map((export) => export.exportedLibrary2)
         .nonNulls
         .toSet()
         .toList();
   }
 
-  @override
-  List<LibraryElement2> get exportedLibraries2 =>
-      exportedLibraries.cast<LibraryElement2>();
-
   @override
   Namespace get exportNamespace {
     linkedData?.read(this);
@@ -7020,10 +7016,7 @@ class LibraryElementImpl extends ElementImpl
 }
 
 class LibraryExportElementImpl extends _ExistingElementImpl
-    implements
-        // ignore:deprecated_member_use_from_same_package,analyzer_use_new_elements
-        LibraryExportElement,
-        LibraryExport {
+    implements LibraryExport {
   @override
   final List<NamespaceCombinator> combinators;
 
@@ -7045,17 +7038,14 @@ class LibraryExportElementImpl extends _ExistingElementImpl
   }
 
   @override
-  LibraryElementImpl? get exportedLibrary {
+  LibraryElementImpl? get exportedLibrary2 {
     var uri = this.uri;
     if (uri is DirectiveUriWithLibraryImpl) {
       return uri.library;
     }
     return null;
   }
 
-  @override
-  LibraryElementImpl? get exportedLibrary2 => exportedLibrary;
-
   @override
   String get identifier => 'export@$nameOffset';
 

pkg/analyzer/lib/src/fine/requirements.dart

@@ -471,7 +471,7 @@ class RequirementsManifest {
   void _addExports(LibraryElementImpl libraryElement) {
     for (var fragment in libraryElement.fragments) {
       for (var export in fragment.libraryExports) {
-        var exportedLibrary = export.exportedLibrary;
+        var exportedLibrary = export.exportedLibrary2;
 
         // If no library, then there is nothing to re-export.
         if (exportedLibrary == null) {

pkg/analyzer/lib/src/summary2/library_builder.dart

@@ -102,7 +102,7 @@ class LibraryBuilder {
     for (var (fragmentIndex, fragment) in element.units.indexed) {
       for (var (exportIndex, exportElement)
           in fragment.libraryExports.indexed) {
-        var exportedLibrary = exportElement.exportedLibrary;
+        var exportedLibrary = exportElement.exportedLibrary2;
         if (exportedLibrary == null) {
           continue;
         }