public bool MappingNotDefinedFor <TSource, TDestination>(string unseparatedParameters)
        {
            var propertyMapping = GetPropertyMapping <TSource, TDestination>();

            if (propertyMapping is null)
            {
                return(true);
            }

            var propertiesNames = properties.GetPropertiesNamesFrom(unseparatedParameters);

            foreach (var name in propertiesNames)
            {
                if (!propertyMapping.ContainsKey(name))
                {
                    return(true);
                }
            }

            return(false);
        }