src/vs/workbench/contrib/remote/browser/remoteExplorer.ts/PortRestore/constructor
class PortRestore:	constructor(
		@IRemoteExplorerService readonly remoteExplorerService: IRemoteExplorerService,
		@ILogService readonly logService: ILogService
	) {
		if (!this.remoteExplorerService.tunnelModel.environmentTunnelsSet) {
			Event.once(this.remoteExplorerService.tunnelModel.onEnvironmentTunnelsSet)(async () => {
				await this.restore();
			});
		} else {
			this.restore();
		}
	}