s="keywordsign">-&gt;</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;?stdin:string&nbsp;<span class="keywordsign">-&gt;</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;?stdout:string&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;?stderr:string&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;string&nbsp;list&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;string<br>
<span class="keyword">end</span></code>
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