/// <summary>
/// Gets a collection of users that are able to view the channel.
/// </summary>
/// <param name="options">The options to be used when sending the request.</param>
/// <exception cref="InvalidOperationException">
/// Resolving permissions requires the parent guild to be downloaded.
/// </exception>
/// <returns>
/// A paged collection containing a collection of guild users that can access this channel. Flattening the
/// paginated response into a collection of users with
/// <see cref="AsyncEnumerableExtensions.FlattenAsync{T}"/> is required if you wish to access the users.
/// </returns>
public IAsyncEnumerable <IReadOnlyCollection <RestGuildUser> > GetUsersAsync(RequestOptions options = null)
=> ChannelHelper.GetUsersAsync(this, Guild, Discord, null, null, options);
