code: @Override
      public File getDeploymentRoot(ContentReference reference) {
          if (reference == null || reference.getHexHash().isEmpty()) {
              return deploymentRoot;
          }
          File first = new File(deploymentRoot, reference.getHexHash().substring(0,2));
          return new File(first, reference.getHexHash().substring(2));
      }
docs: {@inheritDoc}