     <span class="keyword">typename</span> <span class="identifier">impl</span><span class="special">::</span><span class="identifier">data_param</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p>
                  Returns the current state.
                </p>
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<td><p><span class="term">Parameters:</s