/// <summary>
/// Configures an option to delay the delivery of a message until the specified time has elapsed.
/// </summary>
/// <param name="options">The extended <see cref="SendOptions"/>.</param>
/// <param name="delay">The <see cref="TimeSpan">amount of time</see> to delay delivery by.</param>
/// <returns>The original <paramref name="options"/> instance.</returns>
public static SendOptions DelayDeliveryBy(this SendOptions options, TimeSpan delay)
{
Arg.NotNull(options, nameof(options));
Contract.Ensures(Contract.Result <SendOptions>() != null);
options.Add(new DelayDeliveryBy(delay));
return(options);
}
/// <summary>
/// Configures an option to delay the delivery of a message until the specified date and time.
/// </summary>
/// <param name="options">The extended <see cref="SendOptions"/>.</param>
/// <param name="when">The <see cref="DateTimeOffset">date and time</see> when the message should be delivered.</param>
/// <returns>The original <paramref name="options"/> instance.</returns>
public static SendOptions DoNotDeliverBefore(this SendOptions options, DateTimeOffset when)
{
Arg.NotNull(options, nameof(options));
Contract.Ensures(Contract.Result <SendOptions>() != null);
options.Add(new DoNotDeliverBefore(when.UtcDateTime));
return(options);
}