        constructor of <code class="computeroutput"><span class="identifier">shared</span></code>.
      </p>
<h5>
<a name="spirit.support.multi_pass.h12"></a>
        <span class="phrase"><a name="spirit.support.multi_pass.storagepolicy"></a></span><a class="link" href="multi_pass.html#spirit.support.multi_pass.storagepolicy">StoragePolicy</a>
      </h5>
<p>
        A <code class="computeroutput"><span class="identifier">StoragePolicy</span></code> must have
        the following interface:
      </p>
<pr