src/vs/platform/remoteTunnel/electron-browser/remoteTunnelService.ts/RemoteTunnelService/getTunnelCommandLocation
class RemoteTunnelService:	private getTunnelCommandLocation() {
		if (!this._tunnelCommand) {
			let binParentLocation;
			if (isMacintosh) {
				// appRoot = /Applications/Visual Studio Code - Insiders.app/Contents/Resources/app
				// bin = /Applications/Visual Studio Code - Insiders.app/Contents/Resources/app/bin
				binParentLocation = this.environmentService.appRoot;
			} else {
				// appRoot = C:\Users\<name>\AppData\Local\Programs\Microsoft VS Code Insiders\resources\app
				// bin = C:\Users\<name>\AppData\Local\Programs\Microsoft VS Code Insiders\bin
				// appRoot = /usr/share/code-insiders/resources/app
				// bin = /usr/share/code-insiders/bin
				binParentLocation = dirname(dirname(this.environmentService.appRoot));
			}
			this._tunnelCommand = join(binParentLocation, 'bin', `${this.productService.tunnelApplicationName}${isWindows ? '.exe' : ''}`);
		}
		return this._tunnelCommand;
	}