/// <param name='operations'> /// The operations group for this extension method. /// </param> /// <param name='copyFileCommand'> /// </param> /// <param name='lang'> /// </param> public static string CopyFile(this IMaterialApi operations, LMSApplicationCoreCommandsCopyFileCommand copyFileCommand, string lang) { return(operations.CopyFileAsync(copyFileCommand, lang).GetAwaiter().GetResult()); }