@Nullable
  @Nls
  protected String getFilesCoverageInformationString(@NotNull final DirCoverageInfo info) {
    return CoverageBundle.message("coverage.view.text.files.covered", calcPercent(info.coveredFilesCount, info.totalFilesCount));
  }
@Nullable
  @Nls
  protected String getFilesCoverageInformationString(@NotNull final DirCoverageInfo info)