in report-builder/src/jetbrains/coverage/report/impl/html/BaseGenerator.java [74:82]
protected <T> List<T> filterCovered(@NotNull Collection<T> collection, @NotNull Converter<T> conv) {
List<T> list = new ArrayList<T>(collection.size());
for (T t : collection) {
if (isCovered(conv.convert(t))){
list.add(t);
}
}
return list;
}