public static void FromRgb()
        {
            var output = new OutputBuilderIgnoreFormat();

            output
            .Rgb(0, 0, 0)
            .Should()
            .Be(output);
        }
        public static void InputEqualsOutput()
        {
            var output = new OutputBuilderIgnoreFormat();

            typeof(OutputBuilderIgnoreFormat)
            .GetMethods()
            .Where(m => m.ReturnType == typeof(string))
            .Where(m => m.GetParameters().Length == 1)
            .Select(m => m.Invoke(output, new object[] { "input" }))
            .Should()
            .AllBeEquivalentTo("input");
        }