al"><span class="type-annotation">double</span> <span class="parameter-name">interval</span>, </span> <span class="parameter" id="-param-lastReviewed"><span class="type-annotation">DateTime</span> <span class="parameter-name">lastReviewed</span></span> })
    </section>

    
    <section class="summary source-code" id="source">
      <h2><span>Implementation</span></h2>
      <pre class="language-dart"><code class="language-dart">ReviewingCardState({
  int master,
  Combination combination,
  this.factor,
