code: protected ConversionExecutor getPropertyConversionExecutor() {
          if (conversionExecutor == null) {
              conversionExecutor = getConversionService().getConversionExecutor(Object[].class, getPropertyType());
          }
          return conversionExecutor;
      }
docs: Returns a conversion executor which converts a value of the given sourceType into the fieldType
  
  @return true if a converter is available, otherwise false
  
  @see #getPropertyType()