docs: private void countCooccurringProperties(
  			StatementDocument statementDocument, UsageRecord usageRecord,
  			PropertyIdValue thisPropertyIdValue) {
  		for (StatementGroup sg : statementDocument.getStatementGroups()) {
  			if (!sg.getProperty().equals(thisPropertyIdValue)) {
  				Integer propertyId = getNumId(sg.getProperty().getId(), false);
  				if (!usageRecord.propertyCoCounts.containsKey(propertyId)) {
  					usageRecord.propertyCoCounts.put(propertyId, 1);
  				} else {
  					usageRecord.propertyCoCounts.put(propertyId,
  							usageRecord.propertyCoCounts.get(propertyId) + 1);
  				}
  			}
  		}
  	}