ement,\n        this.element\n      )\n\n      if (showEvent.isDefaultPrevented() || !isInTheDom) {\n        return\n      }\n\n      const tip = this.getTipElement()\n      const tipId = Util.getUID(this.constructor.NAME)\n\n      tip.setAttribute('id', tipId)\n      this.element.setAttribute('aria-describedby', tipId)\n\n      this.setContent()\n\n      if (this.config.animation) {\n        $(tip).addClass(CLASS_NAME_FADE)\n      }\n\n      const placement = typeof this.config.placement === 'function'...

return null\n    }\n\n    tip.classList.remove(CLASS_NAME_FADE, CLASS_NAME_SHOW)\n    // TODO: v6 the following can be achieved with CSS only\n    tip.classList.add(`bs-${this.constructor.NAME}-auto`)\n\n    const tipId = getUID(this.constructor.NAME).toString()\n\n    tip.setAttribute('id', tipId)\n\n    if (this._isAnimated()) {\n      tip.classList.add(CLASS_NAME_FADE)\n    }\n\n    return tip\n  }\n\n  setContent(content) {\n    this._newContent = content\n    if (this._isShown()) {\n      this._disposePopper()\n...