static string Format(LogEventPropertyValue value)
        {
            var formatter = new TestThemedJsonValueFormatter();
            var output    = new StringWriter();

            formatter.Format(value, output, null);
            return(output.ToString());
        }
        public void JsonLiteralTypesAreFormatted(object value, string expectedJson)
        {
            var formatter = new TestThemedJsonValueFormatter();

            Assert.Equal(expectedJson, formatter.Format(value));
        }