@Override
  public boolean isEmpty() {
    return asRanges().isEmpty();
  }

  @Override
  public void add(Range<C> range) {
    throw new UnsupportedOperationException();
  }

  @Override
  public void remove(Range<C> range) {
    throw new UnsupportedOperationException();
  }

  @Override
  public void clear() {
    remove(Range.<C>all());
  }

  @Override

    }

    @Override
    public Class<?> next() {
        if (!hasNext()) {
            throw new NoSuchElementException();
        }
        final Class<?> result = clazz;
        clazz = clazz.getSuperclass();
        return result;
    }

    @Override
    public void remove() {
        throw new ClUnsupportedOperationException("remove");
    }

                server.start();
            } catch (final Exception e) {
                throw new CrawlerSystemException(e);
            }
        }

        public void stop() {
            try {
                server.stop();
                server.join();
            } catch (final Exception e) {
                throw new CrawlerSystemException(e);
            }
        }

     * @return the validated string
     * @throws PACDecodingException if validation fails
     */
    public String check(final String string) throws PACDecodingException {
        if (this.pointer == 0 && string != null) {
            throw new PACDecodingException("Non-empty string");
        }

        final int expected = this.length / 2;
        if (string.length() != expected) {

            CrawlerStatus.valueOf("INVALID");
            fail("Should throw IllegalArgumentException for invalid value");
        } catch (IllegalArgumentException e) {
            // Expected
            assertTrue(e.getMessage().contains("INVALID"));
        }

        try {
            CrawlerStatus.valueOf("initializing"); // lowercase
            fail("Should throw IllegalArgumentException for lowercase value");

        // Mock transport.connect() to throw RuntimeException wrapping InterruptedException
        doThrow(new RuntimeException(new InterruptedException("Interrupted"))).when(transport).connect();

        // Should throw exception due to interrupted wait
        assertThrows(RuntimeException.class, () -> tree.treeConnect(null, null));
    }

                } catch (FileNotFoundException | URISyntaxException e) {
                    throw new IllegalStateException("Missing test POM for " + artifact, e);
                }
            } else {
                result.addException(new ArtifactNotFoundException(artifact, (RemoteRepository) null));
                throw new ArtifactResolutionException(results);
            }
        }

        return results;
    }

        if (password == null) {
            throw new RuntimeException("Password parameter is required");
        }
        try {
            final MD4 md4 = new MD4();
            md4.update(password.getBytes(SmbConstants.UNI_ENCODING));
            return md4.digest();
        } catch (final UnsupportedEncodingException uee) {
            throw new RuntimeException(uee.getMessage());
        }
    }

        @Override
        public void init() throws IOException {
            if (throwExceptionOnInit) {
                throw new IOException("Init failed");
            }
        }

        @Override
        public List<String> convert(String text, String field, String... langs) throws IOException {
            if (throwExceptionOnConvert) {
                throw new IOException("Convert failed");
            }

        @Override
        public void encode(NdrBuffer _dst) throws NdrException {
            _dst.align(4);
            _dst.enc_ndr_referent(netname, 1);

            if (netname != null) {
                _dst = _dst.deferred;
                _dst.enc_ndr_string(netname);

            }
        }

        @Override
        public void decode(NdrBuffer _src) throws NdrException {
            _src.align(4);