public static MavenWorkspaceMap copy(MavenWorkspaceMap workspaceMap, Function<? super String, String> transformer) {
    MavenWorkspaceMap result = new MavenWorkspaceMap();
    for (Map.Entry<MavenId, Data> entry : workspaceMap.myMapping.entrySet()) {
      Data data = entry.getValue();
      File outputFile = data.outputFile == null ? null : new File(transformer.apply(data.outputFile.getAbsolutePath()));
      File file = new File(transformer.apply(data.file.getAbsolutePath()));
      result.myMapping.put(entry.getKey(), new Data(data.originalId, file, outputFile));
    }
    return result;
  }
public static MavenWorkspaceMap copy(MavenWorkspaceMap workspaceMap, Function<? super String, String> transformer)