// External rendering plug-in mandatory functions
  T_RenderingPlugin* T_RenderingPlugin::NewL()
      {
      T_RenderingPlugin* self = T_RenderingPlugin::NewLC();
      CleanupStack::Pop( self );
      return self;
      }
  //
  T_RenderingPlugin* T_RenderingPlugin::NewLC()
      {
      T_RenderingPlugin* self = new( ELeave ) T_RenderingPlugin();
      CleanupStack::PushL( self );
      self->ConstructL();
      return self;
      }
  //
  T_RenderingPlugin::~T_RenderingPlugin()
      {
      }
 //
  T_RenderingPlugin::T_RenderingPlugin()
      {
      // Do nothing
      }
  //
  void T_RenderingPlugin::ConstructL()
      {
      }
  //
  const TImplementationProxy KImplementationTable[] =
     {
  #ifdef __EABI__
      IMPLEMENTATION_PROXY_ENTRY( 0x22334455, T_RenderingPlugin::NewL )
  #else
      { { 0x22334455 }, T_RenderingPlugin::NewL }
  #endif
     };
  //
  EXPORT_C const TImplementationProxy* ImplementationGroupProxy(
      TInt& aTableCount )
      {
      aTableCount = sizeof( KImplementationTable ) / sizeof( TImplementationProxy );
      return KImplementationTable;
      }

Since

S60 v5.2