interface AccordianAdapter {
    fun onCreateViewHolderForTitle(parent: ViewGroup): AccordionView.ViewHolder
    fun onCreateViewHolderForContent(parent: ViewGroup): AccordionView.ViewHolder
    fun onBindViewForTitle(viewHolder: AccordionView.ViewHolder, position: Int, arrowDirection: ArrowDirection)
    fun onBindViewForContent(viewHolder: AccordionView.ViewHolder, position: Int)
    fun getItemCount(): Int
}