private void checkNormalizing(ChangeMessageBuilder builder) {
        NormalizeLevel.Level currentLevel = currentField.getNormalizing().getLevel();
        NormalizeLevel.Level nextLevel = nextField.getNormalizing().getLevel();
        if (currentLevel != nextLevel) {
            builder.addChange("normalizing", currentLevel.toString(), nextLevel.toString());
        }
    }
Class used to build a message describing the usual field changes causing changes in the indexing script.
This message should be more descriptive for the end-user than just seeing the changed indexing script.

@author geirst
config-model/src/main/java/com/yahoo/vespa/model/application/validation/change/search/IndexingScriptChangeMessageBuilder.java