code: @Override
      public final void reset(final long mNodeKey) {
          super.reset(mNodeKey);
          if (mParentAxis != null) {
              mParentAxis.reset(mNodeKey);
          }
          if (mChildAxis != null) {
              mChildAxis.reset(mNodeKey);
          }
          mIsFirst = true;
      }
docs: {@inheritDoc}