" id="-915758449%2FProperties%2F788909594" data-filterable-set=":dokkaHtml/commonMain"></a><div class="symbol monospace"><span class="token keyword">open </span><span class="token keyword">override </span><span class="token keyword">val </span><a href="../../kotools.types.collections/-not-empty-map/index.html#-915758449%2FProperties%2F788909594">keys</a><span class="token operator">: </span><a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-set/index.html">Set</a><span class="token op