public CompareDefinition(Aggregator fieldAggregator, StringFuzzyComparer fuzzyComparer = null)
 {
     this.aggregator = fieldAggregator;
     foreach (var compareField in this.compareFields)
     {
         compareField.FuzzyComparer = fuzzyComparer;
     }
 }
 public CompareField(string fieldName1, string fieldName2 = null, StringFuzzyComparer fuzzyComparer = null)
 {
     this.Name1         = fieldName1;
     this.Name2         = fieldName2;
     this.fuzzyComparer = fuzzyComparer;
 }