private PackageAnnotator.AtomicPackageCoverageInfo getOrCreateFlattenPackage(@NotNull String packageName) {
    return myFlattenPackages.computeIfAbsent(packageName, k -> new PackageAnnotator.AtomicPackageCoverageInfo());
  }
private PackageAnnotator.AtomicPackageCoverageInfo getOrCreateFlattenPackage(@NotNull String packageName)