docs: private void insertNode(PatriciaNode<V> node) {
          PatriciaNode<V> current = root.getLeft();
          PatriciaNode<V> parent = root;
  
          while (parent.getBit() < current.getBit() && current.getBit() < node.getBit()) {
              parent = current;
              if (!keyMapper.isSet(current.getBit(), node.getKey())) {
                  current = current.getLeft();
              } else {
                  current = current.getRight();
              }
          }
  
          if (!keyMapper.isSet(node.getBit(), node.getKey())) {
              node.setLeft(node);
              node.setRight(current);
          } else {
              node.setLeft(current);
              node.setRight(node);
          }
  
          if (!keyMapper.isSet(parent.getBit(), node.getKey())) {
              parent.setLeft(node);
          } else {
              parent.setRight(node);
          }
      }