code: @Override
    public <T extends R> T read(DocumentDescriptor desc, T contentHandle)
      throws ResourceNotFoundException, ForbiddenUserException,
      FailedRequestException {
      return read(desc, null, contentHandle, null, null);
    }
docs: /*
  @Override public <T extends R> T read(String docId,
  DocumentMetadataReadHandle metadataHandle, T contentHandle, ServerTransform
  transform, Transaction transaction, String temporalCollection) throws
  ResourceNotFoundException, ForbiddenUserException, FailedRequestException {
  return read(new DocumentDescriptorImpl(docId, true), metadataHandle,
  contentHandle, transform, transaction, temporalCollection, null); }