using System;

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    public class Status

    {

        public int Code { get; set; }

        public string Message { get; set; }

    }   

​

    public abstract class AbstractData

    {

    }

    public abstract class AbstractResponse<T> where T : AbstractData

    {

        public Status Status { get; set; }

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        public abstract T Data { get; set; }

    }

    public class AuthenticationData: AbstractData

    {

        public string Id { get; set; }

        public string LastName { get; set; }

        public string FirstName { get; set; }

        public string MiddleName { get; set; }

        public string DbId { get; set; }

    }

​

    public class ServiceData: AbstractData

    {

        public string FileName { get; set; }

        public string MimeType { get; set; }

        public string Metadata { get; set; }

        public string Value { get; set; }

    }

​

    public class AuthenticationResponse : AbstractResponse<AuthenticationData>

    {

        public override AuthenticationData Data { get; set; }

    }

​

​

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​

​