using System.Collections;
using System.Globalization;
using System.Linq.Expressions;
using System.Collections.Generic;
public static void Main()
test.ToMails = new List<string>() { "123123" };
test.ToMails.ForEach(t => {
public List<string> RegistrationUserEmails { get; set; } = new();
public List<string> RegistrationOutsidesEmails { get; set; } = new();
public List<string> ToMails
get => this.RegistrationUserEmails.Concat(this.RegistrationOutsidesEmails).Distinct().ToList();
RegistrationUserEmails = value;
RegistrationOutsidesEmails = new();