docs: private void recordRollbackLoader(final String patchId, PatchableTarget.TargetInfo target) {
          // setup the content loader paths
          final DirectoryStructure structure = target.getDirectoryStructure();
          final InstalledImage image = structure.getInstalledImage();
          final File historyDir = image.getPatchHistoryDir(patchId);
          final File miscRoot = new File(historyDir, PatchContentLoader.MISC);
          final File modulesRoot = structure.getModulePatchDirectory(patchId);
          final File bundlesRoot = structure.getBundlesPatchDirectory(patchId);
          final PatchContentLoader loader = PatchContentLoader.create(miscRoot, bundlesRoot, modulesRoot);
          //
          recordContentLoader(patchId, loader);
      }