 
   """
 
-  @spec children(html_tree, Keyword.t()) :: html_tree | nil
-
-  def children(html, opts \\ [include_text: true]) do
-    case html do
+  @spec children(html_node(), Keyword.t()) :: html_tree() | nil
+
+  def children(html_node, opts \\ [include_text: true]) do
+    case html_node do
       {_, _, subtree} ->
         filter_children(subtree, opts[:include_text])
 

  end

  @doc """
  Returns the direct child nodes of a HTML tree.

  By default, it will also include all texts. You can disable
  this behaviour by using the option `include_text` to `false`.


  ## Examples

      iex> html = [{"div", [], ["hello"]}]
      iex> Floki.traverse_and_update(html, fn {"div", attrs, children} ->
      ...>   {"p", attrs, children}
      ...> end)
      [{"p", [], ["hello"]}]

      iex> html = [{"div", [], [{"span", [], ["hello"]}]}]
      iex> Floki.traverse_and_update(html, fn
      ...>   {"span", _attrs, _children} -> nil
      ...>   tag -> tag
      ...> end)
      [{"div", [], []}]
  """

  @spec traverse_and_update(html_tree(), (html_node() -> html_node() | nil)) :: html_tree()
