src/vs/workbench/contrib/remote/browser/tunnelView.ts/TunnelViewModel/isEmpty
class TunnelViewModel:	isEmpty(): boolean {
		return (this.detected.length === 0) &&
			((this.forwarded.length === 0) || (this.forwarded.length === 1 &&
				(this.forwarded[0].tunnelType === TunnelType.Add) && !this.remoteExplorerService.getEditableData(undefined)));
	}