public sealed class ContentType : Header, 
	ISIPCloneable<ContentType>

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

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

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