         private ConstraintLayout relativeL_row_voyage_view;         private CardView cardV_row_voyage;         ExpandableLayout expandable_layout;         ProgressBar progressB_dialog_seat;          private ViewHolder(View view) {             super(view);             view.findViewById(R.id.relative_seat);             expandable_layout = view.findViewById(R.id.expandable_layout);             progressB_dialog_seat = view.findViewById(R.id.progressB_dialog_seat);             relativeL_row_voyage_view = view.findViewById(R.id.relativeL_row_voyage_view);         