如何在DatePickerTimeline flutter中设置结束日期

dependencies:
  date_picker_timeline: ^0.1.2

import 'package:date_picker_timeline/date_picker_timeline.dart';

DatePickerTimeline _datePickerTimeline;

DatePickerController _controller = DatePickerController();

@override
void initState() {
  super.initState();
  _controller.maxSelectedDate = DateTime.now(); // 设置最大日期为当前日期
}

@override
Widget build(BuildContext context) {
  return DatePickerTimeline(
    controller: _controller,
    ...
  );
}

import 'package:flutter/material.dart';
import 'package:date_picker_timeline/date_picker_timeline.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'DatePickerTimeline Example',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  DatePickerController _controller = DatePickerController();

  @override
  void initState() {
    super.initState();
    _controller.maxSelectedDate = DateTime.now(); // 设置最大日期为当前日期
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('DatePickerTimeline Example'),
      ),
      body: Center(
        child: DatePickerTimeline(
          controller: _controller,
          onDateChange: (date) {
            // Do something with selected date
          },
        ),
      ),
    );
  }
}