public class KeepAliveManager : SIPUAManagerBase, 
	IKeepAliveManager

Public Class KeepAliveManager
	Inherits SIPUAManagerBase
	Implements IKeepAliveManager

public ref class KeepAliveManager : public SIPUAManagerBase, 
	IKeepAliveManager

type KeepAliveManager =  
    class
        inherit SIPUAManagerBase
        interface IKeepAliveManager
    end