请问Image怎么加载带有referer的网络图片？

import 'dart:typed_data';
import 'dart:io';
import 'package:flutter/material.dart';

class RefererImage extends StatefulWidget {
  final String imageUrl;
  final String referer;

  RefererImage({required this.imageUrl, required this.referer});

  @override
  _RefererImageState createState() => _RefererImageState();
}

class _RefererImageState extends State<RefererImage> {
  late Uint8List _imageBytes;

  @override
  void initState() {
    super.initState();
    _loadImage();
  }

  Future<void> _loadImage() async {
    HttpClient httpClient = HttpClient();
    httpClient.badCertificateCallback = (cert, host, port) => true;
    HttpClientRequest request = await httpClient.getUrl(Uri.parse(widget.imageUrl));
    request.headers.set('Referer', widget.referer);
    HttpClientResponse response = await request.close();
    _imageBytes = await consolidateHttpClientResponseBytes(response);
    httpClient.close();
    setState(() {});
  }

  @override
  Widget build(BuildContext context) {
    return _imageBytes != null
        ? Image.memory(_imageBytes)
        : CircularProgressIndicator();
  }
}

void main() {
  runApp(MaterialApp(
    home: Scaffold(
      appBar: AppBar(title: Text('Referer Image Example')),
      body: Center(
        child: RefererImage(
          imageUrl: 'https://example.com/image.jpg',
          referer: 'https://example.com',
        ),
      ),
    ),
  ));
}
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