private void addMissingAnnotationStructs() {
        for (var schema : orderedInput) {
            var doc = schema.getDocument();
            for (var annotation : doc.getAnnotations()) {
                fixupAnnotationStruct(annotation);
            }
        }
    }
Class converting a collection of schemas from the intermediate format.

@author arnej27959
config-model/src/main/java/com/yahoo/schema/parser/ConvertSchemaCollection.java