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t=this;this.headers.forEach((function(e,n){e.setAttribute(t.settings.headerDataAttr,n)}))}},{key:"_finishInitialization",value:function(){this.container.classList.add(this.settings.initializedClass),this._setRole("presentation",this.container);var t=new CustomEvent("initialized");this.container.dispatchEvent(t)}},{key:"_addListeners",value:function(){var t=this;this.headers.forEach((function(e,n){e.addEventListener("click",(function(){t.handleClick(e,n)}))}))}},{key:"handleClick",value:function(t,e){var n=this,i=this.settings.headerClass.substr(1);if(t.classList.contains(i)&&!1===this.toggling)this.toggling=!0,this.setState(e),this._renderDom();else var a=setInterval((function(){!1===n.toggling&&(n.toggling=!0,n.setState(e),n._renderDom(),clearInterval(a))}),50)}},{key:"setState",value:function(t){var e=this,n=this.getState();this.settings.openMultiplePanels||n.filter((function(e,n){n!=t&&(e.state="closed")})),n.filter((function(n,i){if(i==t){var a=e.toggleState(n.state);return 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