idAnnotationMap.put(annotation.id, modifier);
} else if ("severity_class".equals(annotation.type)) {
Severity severity = new Severity(jCas);
severity.setValue(stringSlots.remove("severity_normalization"));
severity.addToIndexes();
Modifier modifier = new Modifier(jCas, coveringSpan.begin, coveringSpan.end);
modifier.setNormalizedForm(severity);
idAnnotationMap.put(annotation.id, modifier);
} else if ("conditional_class".equals(annotation.type)) {