RepositorySystem repositorySystem;
            try {
                repositorySystem = container.lookup(RepositorySystem.class);
            } catch (ComponentLookupException e) {
                throw new IllegalStateException("Unable to lookup " + RepositorySystem.class.getName());
            }

            if (mirrors) {

            resultData.setData(IOUtils.toByteArray(bis));
            resultData.setEncoding(responseData.getCharSet());
            return resultData;
        } catch (final IOException e) {
            throw new CrawlerSystemException("Could not convert the input stream.", e);
        }

    }

    /**

     */
    protected String decode(final String host) {
        if (host.indexOf('%') == -1) {
            return host;
        }
        try {
            return URLDecoder.decode(host, encoding);
        } catch (final UnsupportedEncodingException e) {
            return host;
        }
    }

    /**
     * Converts the given host string to ASCII using IDN.
     *
     * @param host the host string to convert

	i := copy(b2, b)
	return b2[:i]
}

// WriteTo writes data to w until the buffer is drained or an error occurs.
// The return value n is the number of bytes written; it always fits into an
// int, but it is int64 to match the [io.WriterTo] interface. Any error
// encountered during the write is also returned.
func (b *Buffer) WriteTo(w io.Writer) (n int64, err error) {
	b.lastRead = opInvalid
	if nBytes := b.Len(); nBytes > 0 {

        }
        return Inet6Address.getByAddress(
            v6Address.getHostAddress(), v6Address.getAddress(), asInterface);
      } catch (SocketException | UnknownHostException e) {
        throw new IllegalArgumentException("No such interface: " + scope, e);
      }
    } catch (UnknownHostException e) {
      throw new AssertionError(e);
    }
  }

  /**

      fail();
    } catch (IllegalStateException expected) {
    }
    try {
      range.lowerBoundType();
      fail();
    } catch (IllegalStateException expected) {
    }
  }

  private static void assertUnboundedAbove(Range<Integer> range) {
    assertFalse(range.hasUpperBound());
    try {
      range.upperEndpoint();
      fail();
    } catch (IllegalStateException expected) {
    }

        Encdec.enc_uint32le(0, buf, i);
        i += 4;
        Encdec.enc_uint32le(len + 1, buf, i);
        i += 4;
        try {
            System.arraycopy(s.getBytes("UTF-16LE"), 0, buf, i, len * 2);
        } catch (final UnsupportedEncodingException uee) {}
        i += len * 2;
        buf[i] = (byte) '\0';
        i++;
        buf[i++] = (byte) '\0';
        advance(i - index);
    }

    /**

        // Assert: first page
        assertTrue(it.hasNext(), "Iterator should have first element");
        assertSame(fe1, it.next(), "First element must match first page");
        assertTrue(it.hasNext(), "Iterator should have second element");
        assertSame(fe2, it.next(), "Second element must match first page");

        // Next page fetched via fetchMore()
        assertTrue(it.hasNext(), "Iterator should have third element after fetchMore");

        byte[] domain = {};
        if (domainStr != null) {
            try {
                domain = domainStr.getBytes(UNI_ENCODING);
            } catch (final IOException ex) {
                log.debug("Failed to get domain bytes", ex);
            }
        }
        final int domainLength = domain.length;
        byte[] server = {};

        response.setContentType(buf.toString());
        writeHeaders(response);
        try (PrintWriter out = new PrintWriter(new OutputStreamWriter(response.getOutputStream(), enc))) {
            out.print(text);
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**
     * Writes custom headers to the HTTP response.
     * @param response The HTTP servlet response.
     */