namespace DownloadManager.Models.UrlGetter;
public struct FileUrl(string? url, string? name, string? md5)
{
    public string? Url { get; } = url;
    public string? Name { get; } = name;
    public string? MD5 { get; } = md5;
}

public interface IUrlGetter
{
    public Task<FileUrl> GetFileUrl(string taskUrl);
}