_detachFromDom () {
    const table = this.dom.tr ? this.dom.tr.parentNode : undefined
    let lastTr
    if (this.expanded) {
      lastTr = this.getAppendDom()
    } else {
      lastTr = this.getDom()
    }
    const nextTr = (lastTr && lastTr.parentNode) ? lastTr.nextSibling : undefined

    this.hide({ resetVisibleChilds: false })

    return {
      table,
      nextTr
    }
  }
Remove this node from the DOM
@returns {{table: Element, nextTr?: Element}}
           Returns the DOM elements that which be used to attach the node
           to the DOM again, see _attachToDom.
@private