/// <summary>
/// Leaves a channel.
/// <see href="https://api.slack.com/methods/channels.leave" />
/// </summary>
/// <param name='operations'>
/// The operations group for this extension method.
/// </param>
/// <param name='token'>
/// Authentication token. Requires scope: `channels:write`
/// </param>
/// <param name='channel'>
/// Channel to leave
/// </param>
/// <param name='cancellationToken'>
/// The cancellation token.
/// </param>
public static async Task <LeaveOKResponse> LeaveAsync(this IChannels operations, string token = default(string), string channel = default(string), CancellationToken cancellationToken = default(CancellationToken))
{
using (var _result = await operations.LeaveWithHttpMessagesAsync(token, channel, null, cancellationToken).ConfigureAwait(false))
{
return(_result.Body);
}
}