tml#columnCount" class="tsd-kind-accessor">columnCount</a>,
it will automatically create one and return it.</p>
</div><div class="tsd-parameters"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameter-list"><li><h5><span class="tsd-kind-parameter">idx</span>: <span class="tsd-signature-type">number</span></h5><div class="tsd-comment tsd-typography"><p>the non-negative zero-based integer column index.</p>
</div></li></ul></div><h4 class="tsd-returns-title">Returns <a href="RowColumnDefiniti