VitalApp/lib/pages/medical/widgets/twelve_ecg_view/state.dart

import 'package:flutter/material.dart';
import 'package:get/get_rx/src/rx_types/rx_types.dart';

class TwelveEcgState {
  Rx<RangeValues> _rangeValues = Rx<RangeValues>(RangeValues(25, 30));
  RangeValues get rangeValues => _rangeValues.value;
  set rangeValues(val) => _rangeValues.value = val;
}