src/vs/workbench/contrib/remote/browser/remoteIndicator.ts/RemoteStatusIndicator/validatedGroup
class RemoteStatusIndicator:	private validatedGroup(group: string) {
		if (!group.match(/^(remote|virtualfs)_(\d\d)_(([a-z][a-z0-9+\-.]*)_(.*))$/)) {
			if (!this.loggedInvalidGroupNames[group]) {
				this.loggedInvalidGroupNames[group] = true;
				this.logService.warn(`Invalid group name used in "statusBar/remoteIndicator" menu contribution: ${group}. Entries ignored. Expected format: 'remote_$ORDER_$REMOTENAME_$GROUPING or 'virtualfs_$ORDER_$FILESCHEME_$GROUPING.`);
			}
			return false;
		}
		return true;
	}