/**
* Returns a key similar to the specified string, or {@code null}.
*
* @param key key to be found
* @return similar key
*/
public final synchronized String similar(final String key) {
final byte[] name = token(key);
final Levenshtein ls = new Levenshtein();
for (final String prop : props.keySet()) {
if (ls.similar(name, token(prop), 0)) return prop;
}
return null;
}
@Override
public final synchronized Iterator<String> iterator() {
return props.keySet().iterator();
}