```
% pandoc -f latex -t native
\begin{Verbatim}[key1=value1]
code1

\end{Verbatim}


\begin{lstlisting}[key2=value2]
code2
  
\end{lstlisting}

\begin{verbatim}
code3
\end{verbatim}

\begin{verbatim}
code4
    \end{verbatim}

\begin{verbatim}
code5\end{verbatim}
^D
[CodeBlock ("",[],[("key1","value1")]) "code1\n"
,CodeBlock ("",[],[("key2","value2")]) "code2\n  "
,CodeBlock ("",[],[]) "code3"
,CodeBlock ("",[],[]) "code4"
,CodeBlock ("",[],[]) "code5"]
```