};
        }
        return (Set<Map.Entry<K, V>>) entrySet;
    }

    @Override
    public void writeExternal(final ObjectOutput out) throws IOException {
        out.writeInt(listTable.length);
        out.writeInt(size);
        for (int i = 0; i < size; i++) {
            out.writeObject(listTable[i].key);
            out.writeObject(listTable[i].value);
        }
    }

                }
                index++;
            }
        }
        return -1;
    }

    @Override
    public void writeExternal(final ObjectOutput s) throws IOException {
        s.writeInt(size);
        for (Entry e = header.next; e != header; e = e.next) {
            s.writeObject(e.element);
        }
    }

    @SuppressWarnings("unchecked")
    @Override