private static double GetHttp2StreamWindowScaleThresholdMultiplier() { double value = RuntimeSettingParser.ParseDoubleEnvironmentVariableValue( "DOTNET_SYSTEM_NET_HTTP_SOCKETSHTTPHANDLER_FLOWCONTROL_STREAMWINDOWSCALETHRESHOLDMULTIPLIER", DefaultHttp2StreamWindowScaleThresholdMultiplier); // Disallow negative values: if (value < 0) { value = DefaultHttp2StreamWindowScaleThresholdMultiplier; } return(value); }