DiscordClient/DiscordDelete/ScanOptions.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using CommandLine;

namespace DiscordDelete
{
    [Verb("scan", HelpText = "Delete all saved messages.")]
    public class ScanOptions
    {
        [Option('g', "guild", ResourceType = typeof(string), Default = null)]
        public string? GuildId { get; set; }

        [Option('c', "channel", ResourceType = typeof(string))]
        public string? ChannelId { get; set; }

        [Option('a', "author", Required = false, ResourceType = typeof(string), Default = null)]
        public string? Author { get; set; }
    }
}