 derived class, returns the path for a known or built-in grammar based on its name (i.e., <code>&quot;es2015&quot;</code><!-- -->, etc.)</p>
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  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  
  <div class="codewrapper">
    <pre><code class="lang-typeScript hljs">/** @virtual */
protected resolveKnownGrammarCore(name: string): string | undefined;</code></pre>
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  <h5 class="parameters">Parameters</h5>
  <div>
    <div class="propert