<span class="keyword">const</span> <span class="identifier">pplx</span><span class="special">::</span><span class="identifier">cancellation_token</span> <span class="special">&amp;</span><span class="identifier">cancellation_token</span><span class="special">()</span> <span class="keyword">const</span> <span class="special">{</span> <span class="keyword">return</span> <span class="identifier">m_cancellationToken</span><span class="special">;</span> <span class="special">}</span>

    <span class="identifier