/// <summary>
/// Initializes a new instance of the <see cref="RenewRequestMessage"/> with the supplied <paramref name="body"/> value.
/// </summary>
/// <remarks>
/// Generally used with custom <see cref="RenewRequestMessageBody"/> content types.
/// </remarks>
/// <param name="body">The body of the subscription renew request.</param>
public RenewRequestMessage(RenewRequestMessageBody body)
{
Contract.Requires <ArgumentNullException>(body != null, "body");
this.body = body;
}
/// <summary>
/// Initializes a new instance of the <see cref="RenewRequestMessage"/> class.
/// </summary>
/// <remarks>
/// This overload will create the default <see cref="RenewRequestMessageBody"/> type and use to the supplied <paramref name="expires"/>
/// information to the event source (which MAY be honored) to be applied to the subscription.
/// </remarks>
/// <param name="identifier">The <see cref="Identifier"/> containing the subscription information.</param>
/// <param name="expires">The <see cref="Expires"/> containing the time when the subscription would like expiration, as requested by the subscriber.</param>
public RenewRequestMessage(Identifier identifier, Expires expires) : this(identifier)
{
Contract.Requires <ArgumentNullException>(expires != null, "expires");
this.body = new RenewRequestMessageBody(expires);
}