public List<VespaGroupingStep> getGroupingSteps(String grouping){
        List<VespaGroupingStep> groupingSteps = new ArrayList<>();
        List<String> groupingOperations = toGroupingRequests(grouping);
        for (String groupingString : groupingOperations) {
            GroupingOperation groupingOperation = GroupingOperation.fromString(groupingString);
            VespaGroupingStep groupingStep = new VespaGroupingStep(groupingOperation);
            groupingSteps.add(groupingStep);
        }
        return groupingSteps;
    }
The Select query language.

This class will be parsing the Select parameters, and will be used when the query has the SELECT-type.

@author henrhoi
container-search/src/main/java/com/yahoo/search/query/SelectParser.java