public class Credentials : ISIPMessagePart, 
	ISIPCloneable<Credentials>

Public Class Credentials
	Implements ISIPMessagePart, ISIPCloneable(Of Credentials)

public ref class Credentials : ISIPMessagePart, 
	ISIPCloneable<Credentials^>

type Credentials =  
    class
        interface ISIPMessagePart
        interface ISIPCloneable<Credentials>
    end