vi6six

private static void checkTreesForMissingDefinitions(Map<String, String> glossary) {
        
        FinancialTrees.getTrees(false).values().stream()    // Map<IndustryTemplate, Map<FinancialGroup, FinancialTree>>
            .map(Map::values)                               // Stream<Collection<FinancialTree>>
            .flatMap(Collection::stream)                    // Stream<FinancialTree>
            .map(FinancialTree::getAllChildren)             // Stream<List<FinancialTreeNode>> Get nodes fron tree as a List<Node>
            .flatMap(List::stream)                          // Stream<FinancialTreeNode> 
            .map(FinancialTreeNode::getField)               // Stream<FinField>
            .distinct()                                     // remove duplicated fields
            .filter(Objects::nonNull)                       // remove null objects