
<header id="title">
  <button id="sidenav-left-toggle" type="button">&nbsp;</button>
  <ol class="breadcrumbs gt-separated dark hidden-xs">
    <li><a href="../../index.html">mercado_pago_integration</a></li>
    <li><a href="../../dart-collection/dart-collection-library.html">dart:collection</a></li>
    <li><a href="../../dart-collection/MapBase-class.html">MapBase<span class="signature">&lt;<wbr><span class="type-parameter">K</span>, <span class="type-parameter">V</span>&gt;</span></a></li>
    <li clas