</h4>
              </div>
            </div>
          </div>
          <div class="sect4" lang="en" xml:lang="en">
            <div class="titlepage">
              <div>
                <div>
                  <h5 class="title"><a id="idp51333792"></a>bs</h5>
                </div>
              </div>
            </div>
            <p>Initialize from a base class iterator. </p>
          </div>
        </div>
      </div>
      <div class="sect2" lang="en" xml:lang="en">
        <div class="titlepage">
