public SqlServerNaturalKeyToAggregateIdMap(
     SqlServerPersistenceConfiguration sqlServerPersistenceConfiguration,
     IAggregateIdCreator <TInternalId> aggregateIdCreator)
 {
     _sqlServerPersistenceConfiguration = sqlServerPersistenceConfiguration;
     _aggregateIdCreator = aggregateIdCreator;
 }
 public InMemoryNaturalKeyToAggregateIdMap(IAggregateIdCreator <TInternalId> aggregateIdCreator)
 {
     _aggregateIdCreator = aggregateIdCreator;
 }