namespace Bit.Core.Services; public interface ISlackService { Task GetChannelIdAsync(string token, string channelName); Task> GetChannelIdsAsync(string token, List channelNames); Task GetDmChannelByEmailAsync(string token, string email); string GetRedirectUrl(string redirectUrl); Task ObtainTokenViaOAuth(string code, string redirectUrl); Task SendSlackMessageByChannelIdAsync(string token, string message, string channelId); }