f=AbstractSession.html#getReturnCode()>getReturnCode</a>()</pre>
                                        <div class="block"><p>Returns the return code for this session. Note that return code is only set for sessionsthat end with COMPLETED state. If a session is not started, still running or failed thenthis method returns null.</p></div>
                                        
                                        <!-- TODO missing return annotation -->
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