+ </span><span class="jsdoc-comment">/**
+ * @event beforecollapse
+ * Fires when this region before collapse.
+ * @param {Roo.LayoutRegion} this
+ */
+ </span><span class="jsdoc-string">"beforecollapse" </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">true</span><span class="jsdoc-syntax">,