static S[] conceptFields_gen_drop = {"className", "fieldValues", "id", "created", "_modified", "refs", "backRefs", "_concepts"};

static Set<S> conceptFields_gen(O c) {
  ret setMinus(mergeTreeSets(allNonStaticNonTransientFields(c), keys((Map) getOpt_raw(c, 'fieldValues))), conceptFields_gen_drop);
}

static Set<S> conceptFields_gen(Class c) {
  ret setMinus(allNonStaticNonTransientFields(c), conceptFields_gen_drop);
}

Began life as a copy of #1005294