```
% pandoc -f docbook -t native
<formalpara xml:id="my_code_id">
<title>Code title</title>
<para>
<programlisting language="bash" linenumbering="unnumbered">echo "hello world!"</programlisting>
</para>
</formalpara>
<example xml:id="my_example_id">
<title>Example title</title>
<simpara>example content</simpara>
</example>
<sidebar xml:id="my_sidebar_id">
<title>Sidebar title</title>
<simpara>sidebar content</simpara>
</sidebar>
^D
[ Div
    ( "my_code_id" , [ "formalpara" ] , [] )
    [ Div
        ( "" , [ "title" ] , [] )
        [ Plain [ Str "Code" , Space , Str "title" ] ]
    , CodeBlock ( "" , [ "bash" ] , [] ) "echo \"hello world!\""
    ]
, Div
    ( "my_example_id" , [ "example" ] , [] )
    [ Div
        ( "" , [ "title" ] , [] )
        [ Plain [ Str "Example" , Space , Str "title" ] ]
    , Para [ Str "example" , Space , Str "content" ]
    ]
, Div
    ( "my_sidebar_id" , [ "sidebar" ] , [] )
    [ Div
        ( "" , [ "title" ] , [] )
        [ Plain [ Str "Sidebar" , Space , Str "title" ] ]
    , Para [ Str "sidebar" , Space , Str "content" ]
    ]
]
```