d" placeholder="Loading search...">
      </form>
    </header>
    
    <ol class="breadcrumbs gt-separated dark hidden-l" id="sidebar-nav">
      <li><a href="../../index.html">mercado_pago_integration</a></li>
      <li><a href="../../dart-html/dart-html-library.html">dart:html</a></li>
      <li><a href="../../dart-html/CustomStream-class.html">CustomStream<span class="signature">&lt;<wbr><span class="type-parameter">T extends Event</span>&gt;</span></a></li>
      <li class="self-crumb">add abstract me