/// <summary>
/// Gets a file representing a temp file with a random file name.
/// </summary>
/// <param name="fileSystem">The file system.</param>
/// <returns>A temp file.</returns>
public static IFile GetTempFile(this IReadOnlyFileSystem fileSystem)
{
_ = fileSystem ?? throw new ArgumentNullException(nameof(fileSystem));
return(fileSystem.GetTempFile(Path.ChangeExtension(Path.GetRandomFileName(), "tmp")));
}