public struct AbonentId : IFormattable, IComparable, IComparable<AbonentId>, IComparable<Guid>, IEquatable<AbonentId>, IEquatable<Guid>
{
    // ReSharper disable once MemberCanBePrivate.Global
    //эта штука нужна чтобы работал сериализвтор
    public Guid Value { get; set; }

    #region Casts

    public static explicit operator Guid(AbonentId abonentId) => abonentId.Value;

    public static explicit operator AbonentId(Guid abonentId) => new AbonentId {Value = abonentId};

    #endregion

    #region Equatable

    public bool Equals(AbonentId other) => Value.Equals(other.Value);
    public bool Equals(Guid other) => Value.Equals(other);

    public override int GetHashCode() => Value.GetHashCode();

    public override bool Equals(object obj)
    {
        if (ReferenceEquals(null, obj))
        {
            return false;
        }
        return obj is AbonentId && Equals((AbonentId)obj)
            || obj is Guid && Equals((Guid)obj);
    }

    public static bool operator ==(AbonentId left, AbonentId right) => left.Equals(right);
    public static bool operator !=(AbonentId left, AbonentId right) => !left.Equals(right);

    #endregion

    #region Formattable

    public string ToString(string format, IFormatProvider formatProvider) => Value.ToString(format, formatProvider);
    public override string ToString() => Value.ToString();

    #endregion

    #region Comparable

    public int CompareTo(AbonentId other) => Value.CompareTo(other.Value);

    public int CompareTo(Guid other) => Value.CompareTo(other);

    public int CompareTo(object obj)
    {
        var abonentId = obj as AbonentId?;
        return abonentId.HasValue
            ? Value.CompareTo(abonentId.Value.Value)
            : Value.CompareTo(obj);
    }

    #endregion
}