     static func configFilePaths(defaultPath: String, configEnvironment: String?) -> [NSURL]? {
         let defaultUrlPath = NSURL.fileURLWithPath(defaultPath)
         var paths = [defaultUrlPath]
-
+        
         guard let filename = defaultUrlPath.lastPathComponent else {
             return paths
         }

            return value
        } else if let value = env[ConfigManagerStringConstants.EnvKey] {
            return value
        } else if let bundleInfoDict = NSBundle.mainBundle().infoDictionary, value = bundleInfoDict["ConfigManagerEnv"] as? String {
            return value
        }
        

        
        // Check if there is a key to extend another config file. If so, extend recursively.
        if let extendedContentsFilename = configurationPayload?[ConfigManagerStringConstants.ConfigurationExtensionKey] as? String,
            let folderPath = path.URLByDeletingLastPathComponent,
            let _ = configurationPayload
        {
            var extendedConfigurationPayload = readConfiguration(folderPath.URLByAppendingPathComponent(extendedContentsFilename)!)
            extendedConfigurationPayload?.updateWith(configurationPayload!)
