public static QueryOver <TRoot, TSubType> Default <TRoot, TSubType>(this Lambda.QueryOverFetchBuilder <TRoot, TSubType> builder)
 {
     return(builder.Default);
 }
 public static QueryOver <TRoot, TSubType> Lazy <TRoot, TSubType>(this Lambda.QueryOverFetchBuilder <TRoot, TSubType> builder)
 {
     return(builder.Lazy);
 }