Discord.Net/src/Discord.Net.Core/Entities/ISnowflakeEntity.cs

using System;

namespace Discord
{
    /// <summary> Represents a Discord snowflake entity. </summary>
    public interface ISnowflakeEntity : IEntity<ulong>
    {
        /// <summary>
        ///     Gets when the snowflake was created.
        /// </summary>
        /// <returns>
        ///     A <see cref="DateTimeOffset"/> representing when the entity was first created.
        /// </returns>
        DateTimeOffset CreatedAt { get; }
    }
}