public sealed class ProxyAuthorization : Header, 
	ISIPCloneable<ProxyAuthorization>

Public NotInheritable Class ProxyAuthorization
	Inherits Header
	Implements ISIPCloneable(Of ProxyAuthorization)

public ref class ProxyAuthorization sealed : public Header, 
	ISIPCloneable<ProxyAuthorization^>

[<SealedAttribute>]
type ProxyAuthorization =  
    class
        inherit Header
        interface ISIPCloneable<ProxyAuthorization>
    end