assertArgumentNotNull("driver", driver);

        try {
            DriverManager.registerDriver(driver);
        } catch (final SQLException e) {
            throw new SQLRuntimeException(e);
        }
    }

    /**
     * JDBCドライバを登録解除します。
     *
     * @param driver
     *            登録解除するJDBCドライバ。{@literal null}であってはいけません
     */

    }


    @Override
    public Object clone () {
        try {
            return new HMACT64(this);
        }
        catch ( CloneNotSupportedException ex ) {
            throw new IllegalStateException(ex.getMessage());
        }
    }


    @Override
    protected byte[] engineDigest () {
        byte[] digest = this.md5.digest();
        this.md5.update(this.opad);

  @CheckForNull
  public <T extends B> T getInstance(Class<T> type) {
    return (T) delegate.get(checkNotNull(type));
  }

  /**
   * Guaranteed to throw an exception and leave the map unmodified.
   *
   * @throws UnsupportedOperationException always
   * @deprecated Unsupported operation.
   */
  @CanIgnoreReturnValue
  @Deprecated
  @Override

            ModelInterpolationException error = AccessController.doPrivileged(action);

            if (error != null) {
                throw error;
            }
        } finally {
            getInterpolator().clearAnswers();
        }
    }

    protected Interpolator createInterpolator() {

        switch (rpc.retval) {
            case 0:
            case NtStatus.NT_STATUS_NONE_MAPPED:
            case 0x00000107: // NT_STATUS_SOME_NOT_MAPPED
                break;
            default:
                throw new SmbException(rpc.retval, false);
        }

        for (int si = 0; si < sids.length; si++) {
            sids[si].type = rpc.names.names[si].sid_type;
            sids[si].domainName = null;

    return toString;
  }

  private static MessageDigest getMessageDigest(String algorithmName) {
    try {
      return MessageDigest.getInstance(algorithmName);
    } catch (NoSuchAlgorithmException e) {
      throw new AssertionError(e);
    }
  }

  @Override
  public Hasher newHasher() {
    if (supportsClone) {
      try {
        return new MessageDigestHasher((MessageDigest) prototype.clone(), bytes);

      if (backingMap.modCount != expectedModCount) {
        throw new ConcurrentModificationException();
      }
    }

    @Override
    public boolean hasNext() {
      checkForConcurrentModification();
      return entryIndex >= 0;
    }

    @Override
    @ParametricNullness
    public T next() {
      if (!hasNext()) {
        throw new NoSuchElementException();
      }

      }

      @Override public void onResponse(Call call, Response response) throws IOException {
        try (ResponseBody responseBody = response.body()) {
          if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);

          Headers responseHeaders = response.headers();
          for (int i = 0, size = responseHeaders.size(); i < size; i++) {

    Request request = new Request.Builder()
        .url("https://api.github.com/gists/c2a7c39532239ff261be")
        .build();
    try (Response response = client.newCall(request).execute()) {
      if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);

      Gist gist = gistJsonAdapter.fromJson(response.body().source());

      for (Map.Entry<String, GistFile> entry : gist.files.entrySet()) {

        @Override
        public void write(final int arg0) throws IOException {
        }

        @Override
        public void close() throws IOException {
            throw new IOException();
        }

    }