/** {@inheritDoc} */
@Override
@Validate
public V[] removeSubKeys(@NotNull final K subkey) {
List<V> list = new ArrayList<V>();
for (ConcurrentNavigableMap<K, V> m : map.values()) {
V value = m.remove(subkey);
if (value != null) list.add(value);
}
V[] result = Linq.toArray(list, getGenericTypeParameterValue());
if (result.length == 0) result = null;
return result;
}
/** {@inheritDoc} */
@Override
public int size() {
return Linq.count(values());
}
/** {@inheritDoc} */
@Override
public String toString() {
return Linq.toString(this);
}