[C#]
    event TSBHTTPHeadersEvent OnReceivingHeaders;
    delegate void TSBHTTPHeadersEvent(Object Sender, TElStringList Headers);

[VB.NET]
    Event OnReceivingHeaders As TSBHTTPHeadersEvent
    Delegate Sub TSBHTTPHeadersEvent(ByVal Sender As Object, ByVal Headers As TElStringList)

[Pascal]
    property OnReceivingHeaders : TSBHTTPHeadersEvent;
    TSBHTTPHeadersEvent = procedure(Sender : TObject; Headers : TElStringList) of object;

[C++]
    void get_OnReceivingHeaders(TSBHTTPHeadersEvent &pMethodOutResult, void * &pDataOutResult);
    void set_OnReceivingHeaders(TSBHTTPHeadersEvent pMethodValue, void * pDataValue);
    typedef void (SB_CALLBACK *TSBHTTPHeadersEvent)(void * _ObjectData, TObjectHandle Sender, TElStringListHandle Headers);

[PHP]
    TSBHTTPHeadersEvent|callable|NULL get_OnReceivingHeaders()
    void set_OnReceivingHeaders(TSBHTTPHeadersEvent|callable|NULL $Value)
    callable TSBHTTPHeadersEvent(TObject $Sender, TElStringList $Headers)

[Java]
    TSBHTTPHeadersEvent getOnReceivingHeaders();
    void setOnReceivingHeaders(TSBHTTPHeadersEvent Value);
    TSBHTTPHeadersEvent.Callback OnReceivingHeaders = new TSBHTTPHeadersEvent.Callback() {
        public void TSBHTTPHeadersEventCallback(TObject Sender, TElStringList Headers) {
            //...
        }
    }