FCExporter.getExtension C# (CSharp) Method

    private string getExtension(string exportType)
    {
        // get a Hashtable array of [type=> extension] 
        // from EXTENSIONS constant 
        Hashtable extensionList = bang(EXTENSIONS);
        exportType = exportType.ToLower();

        // if extension type is present in $extensionList return it, otherwise return the type 
        return (extensionList[exportType].ToString() != null ? extensionList[exportType].ToString() : exportType);
    }
    /// <summary>