public static void xrefAnnotation(RefexChronicleBI annotation) throws IOException {
ConceptChronicle refexConcept = ConceptChronicle.get(annotation.getRefexExtensionNid());
if (refexConcept.isAnnotationIndex()) {
if (refexConcept.addMemberNid(annotation.getNid())) {
annotationConcepts.add(refexConcept);
}
}
}