atform-hinted"><div class="content sourceset-dependent-content" data-active="" data-togglable=":dokkaHtml/commonMain"><div class="symbol monospace"><span class="token keyword">open </span><span class="token keyword">override </span><span class="token keyword">fun </span><a href="../../kotools.types.collections/-not-empty-map/index.html#189495335%2FFunctions%2F788909594"><span class="token function">containsKey</span></a><span class="token punctuation">(</span><span class="parameters "><span class="parameter