@Nullable
  public final @Nls String getClassCoverageInformationString(String classFQName, CoverageDataManager coverageDataManager) {
    final PackageAnnotator.ClassCoverageInfo info = myClassCoverageInfos.get(classFQName);
    return getClassCoverageInformationString(info, coverageDataManager);
  }
@Nullable
  public final @Nls String getClassCoverageInformationString(String classFQName, CoverageDataManager coverageDataManager)