src/vs/platform/debug/electron-main/extensionHostDebugIpc.ts/ElectronExtensionHostDebugBroadcastChannel/call
class ElectronExtensionHostDebugBroadcastChannel:	override call(ctx: TContext, command: string, arg?: any): Promise<any> {
		if (command === 'openExtensionDevelopmentHostWindow') {
			return this.openExtensionDevelopmentHostWindow(arg[0], arg[1], arg[2]);
		} else {
			return super.call(ctx, command, arg);
		}
	}