Swift to Objective-C: Flutter Amap Track Plugin Conversion Guide

public static func register(with registrar: FlutterPluginRegistrar) {\n SwiftFlutterAmapTrackPlugin.channel = FlutterMethodChannel(name: "flutter_amap_track", binaryMessenger: registrar.messenger())\n let instance = SwiftFlutterAmapTrackPlugin()\n registrar.addMethodCallDelegate(instance, channel: SwiftFlutterAmapTrackPlugin.channel!)\n }+ (void)registerWithRegistrar:(NSObject*)registrar {\n [SwiftFlutterAmapTrackPlugin setChannel:[FlutterMethodChannel\n methodChannelWithName:@"flutter_amap_track"\n binaryMessenger:[registrar messenger]]];\n SwiftFlutterAmapTrackPlugin *instance = [[SwiftFlutterAmapTrackPlugin alloc] init];\n [registrar addMethodCallDelegate:instance channel:[SwiftFlutterAmapTrackPlugin channel]];\n}