)</span><span class="token operator">: </span><a href="-not-empty-mutable-list/index.html">NotEmptyMutableList</a><span class="token operator">&lt;</span><span class="token keyword"></span><a href="to-not-empty-mutable-list-or-null.html">E</a><span class="token operator">&gt;</span><span class="token operator">?</span></div><p class="paragraph">Returns a not empty mutable list containing all the elements of this collection, or returns <code class="lang-kotlin">null</code> if this collection is empty.</p></d