public class SIP_MultiValueHF<T> : SIP_HeaderField
where T : new(), SIP_t_Value

Public Class SIP_MultiValueHF(Of T As {New, SIP_t_Value})
	Inherits SIP_HeaderField

generic<typename T>
where T : gcnew(), SIP_t_Value
public ref class SIP_MultiValueHF : public SIP_HeaderField

type SIP_MultiValueHF<'T when 'T : new() and SIP_t_Value> =  
    class
        inherit SIP_HeaderField
    end