Explain

Author: nik9000

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/plugin/TransportEsqlQueryAction.java

@@ -324,6 +324,7 @@ private EsqlQueryResponse toResponse(Task task, EsqlQueryRequest request, Config
                 if (c.originalTypes() == null) {
                     originalTypes = null;
                 } else {
+                    // Sort the original types so they are easier to test against and prettier.
                     originalTypes = new ArrayList<>(c.originalTypes());
                     Collections.sort(originalTypes);
                 }