public class MappingConverterAttribute : MappingRuleAttribute

public class MappingConverterData
{
    ...

    /// <summary>
    /// Property used for positive test of a test converter implemented as type converter.
    /// </summary>
    [MappingConverter(typeof(DoubeToStringTypeConverter), Parameters = new string[] { MappingConverterAttribute.AllowDefault })]
    public string StringToDoubleTypeConverter { get; set; }

    ...
}