private static <K, V extends LocalAbortable> V returnIfOperational(final Map<K , V> map, final K key, final V value,
final Throwable aborted) {
Verify.verify(map.put(key, value) == null);
private static <K, V extends LocalAbortable> V returnIfOperational(final Map<K , V> map, final K key, final V value,
final Throwable aborted) {
Verify.verify(map.put(key, value) == null);