static NormalSwaptionExpiryTenorVolatilitiesTest()
        {
            IList <SwaptionSurfaceExpiryTenorParameterMetadata> list = new List <SwaptionSurfaceExpiryTenorParameterMetadata>();
            int nData = TIME.size();

            for (int i = 0; i < nData; ++i)
            {
                SwaptionSurfaceExpiryTenorParameterMetadata parameterMetadata = SwaptionSurfaceExpiryTenorParameterMetadata.of(TIME.get(i), TENOR.get(i));
                list.Add(parameterMetadata);
            }
            METADATA = Surfaces.normalVolatilityByExpiryTenor("GOVT1-SWAPTION-VOL", ACT_365F).withParameterMetadata(list);
        }