server/src/Core/Models/Data/SendFileData.cs

using System.Text.Json.Serialization;

namespace Bit.Core.Models.Data
{
    public class SendFileData : SendData
    {
        public SendFileData() { }

        public SendFileData(string name, string notes, string fileName)
            : base(name, notes)
        {
            FileName = fileName;
        }

        // We serialize Size as a string since JSON (or Javascript) doesn't support full precision for long numbers
        [JsonNumberHandling(JsonNumberHandling.WriteAsString | JsonNumberHandling.AllowReadingFromString)]
        public long Size { get; set; }

        public string Id { get; set; }
        public string FileName { get; set; }
        public bool Validated { get; set; } = true;
    }
}