/// <summary>
 /// Determines the natural currency of the target.
 /// <para>
 /// This is only called for measures that are currency convertible.
 ///
 /// </para>
 /// </summary>
 /// <param name="refData">  the reference data </param>
 /// <returns> the natural currency </returns>
 public Currency naturalCurrency(ReferenceData refData)
 {
     return(function.naturalCurrency(target, refData));
 }
 public virtual Currency naturalCurrency(T target, ReferenceData refData)
 {
     return(@delegate.naturalCurrency(target, refData));
 }