/**
 * A map with String keys that throws an exception when accessing (get) a non-existent key.
 *
 * @author higa
 */
public class BeanMap extends LinkedHashMap<String, Object> {

    private static final long serialVersionUID = 1;

    /**
     * Creates a new {@link BeanMap}.
     */
    public BeanMap() {
    }

    @Override
    public Object get(final Object key) {
        if (!containsKey(key)) {