ArrayList<SummarizedTransaction<SummarizedTransaction<SecuritiesTransaction>>> result = new ArrayList<SummarizedTransaction<SummarizedTransaction<SecuritiesTransaction>>>();
for (String key: keys)
{
result.add(new SummarizedTransaction(resultMap.getCollection(key)));
}
SummarizedTransaction<SummarizedTransaction<SummarizedTransaction<SecuritiesTransaction>>> resultTrans = new SummarizedTransaction<SummarizedTransaction<SummarizedTransaction<SecuritiesTransaction>>>(result) ;
resultTrans.setTransactionType("∑");
return resultTrans;