* the state of the original resolver and vice versa.
     *
     * @return The cloned resolver, never {@code null}.
     */
    ModelResolver newCopy();

    default ModelSource resolveModel(Parent parent, AtomicReference<Parent> modified)
            throws UnresolvableModelException {
        org.apache.maven.model.Parent p = new org.apache.maven.model.Parent(parent);

            if (remoteRepository.getId().equals(id)) {
                iterator.remove();
            }
        }
    }

    @Override
    public ModelResolver newCopy() {
        return new DefaultModelResolver(this);
    }

    @Override
    public ModelSource resolveModel(String groupId, String artifactId, String version)
            throws UnresolvableModelException {

        @Override
        public void addRepository(Repository repository, boolean replace) throws InvalidRepositoryException {}

        @Override
        public ModelResolver newCopy() {
            return this;
        }

        @Override
        public ModelSource resolveModel(org.apache.maven.model.Parent parent) throws UnresolvableModelException {
            return null;
        }

                importRequest.setLocationTracking(request.isLocationTracking());

                importRequest.setModelSource(importSource);
                importRequest.setModelResolver(modelResolver.newCopy());

                importResult = build(importRequest, importIds);
            } catch (ModelBuildingException e) {
                problems.addAll(e.getProblems());
                return null;

        AvlNode<E> newTop = pred();
        // newTop is the maximum node in my left subtree
        newTop.left = left.removeMax(newTop);
        newTop.right = right;
        newTop.distinctElements = distinctElements - 1;
        newTop.totalCount = totalCount - oldElemCount;
        return newTop.rebalance();
      } else {
        AvlNode<E> newTop = succ();

        AvlNode<E> newTop = pred();
        // newTop is the maximum node in my left subtree
        newTop.left = left.removeMax(newTop);
        newTop.right = right;
        newTop.distinctElements = distinctElements - 1;
        newTop.totalCount = totalCount - oldElemCount;
        return newTop.rebalance();
      } else {
        AvlNode<E> newTop = succ();

                  TF_Status* status) {
  tensorflow::ImmediateExecutionOperation* new_op =
      tensorflow::unwrap(ctx)->CreateOperation();
  status->status = new_op->Reset(op_or_function_name, nullptr);
  if (!status->status.ok()) {
    new_op->Release();
    new_op = nullptr;
  }
  return tensorflow::wrap(new_op);
}

void TFE_DeleteOp(TFE_Op* op) {
  if (op == nullptr) {
    return;
  }