A visitor that builds a map from node to "Usage".

lib/compiler/implementation/tree/renamer.dart

-// Copyright (c) 2012, 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.
-
-/**
- * Renames types, identifiers before printing them out.
- * Does nothing by default.
- */
-class Renamer {
-  const Renamer();
-
-  /**
-   * Renames type name for given type annotation. Should not touch type
-   * arguments. Returns [null] if no rename is needed.
-   */
-  String renameTypeName(TypeAnnotation type) => null;
-
-  /**
-   * Renames method name. Returns [null] if no rename is needed.
-   */
-  String renameSendMethod(Send send) => null;
-
-  /**
-   * Renames identifier. Returns [null] if no rename is needed.
-   */
-  String renameIdentifier(Identifier node) => null;
-}