assertTrue(CharUtil.isUrlChar('9')); // last digit

        // Test characters just outside ranges that are not valid
        assertFalse(CharUtil.isUrlChar('`')); // backtick (just before 'a')
        assertFalse(CharUtil.isUrlChar('{')); // left brace (just after 'z')
        assertFalse(CharUtil.isUrlChar('^')); // caret (before 'a' range)
        assertFalse(CharUtil.isUrlChar('|')); // pipe (not in valid set)
    }

    }

    /**
     * Converts a TermRangeQuery to a QueryBuilder with the given boost value.
     * Handles both search fields and default field queries with proper range semantics.
     *
     * @param context the query context
     * @param termRangeQuery the term range query to convert
     * @param boost the boost value to apply
     * @return the converted QueryBuilder
     */

labels.crawling_info_created_time=Created
labels.crawling_info_delete_all_link=Delete All
labels.crawling_info_delete_all_confirmation=Are you sure you want to delete all?
labels.crawling_info_delete_all_cancel=Cancel
labels.crawling_info_thread_dump=Thread Dump
labels.crawling_info_CrawlerStartTime=Crawler Start Time
labels.crawling_info_CrawlerEndTime=Crawler End Time
labels.crawling_info_CrawlerExecTime=Crawler Execution Time

                        accessTimeoutTarget.stop();
                        if (accessTimeoutTask != null && !accessTimeoutTask.isCanceled()) {
                            accessTimeoutTask.cancel();
                        }
                    }
                }
            }

            @Override
            protected ResponseData getResponseData(final String uri, final boolean includeContent) {

                        accessTimeoutTarget.stop();
                        if (accessTimeoutTask != null && !accessTimeoutTask.isCanceled()) {
                            accessTimeoutTask.cancel();
                        }
                    }
                }
            }

            @Override
            protected ResponseData getResponseData(final String uri, final boolean includeContent) {

                        accessTimeoutTarget.stop();
                        if (accessTimeoutTask != null && !accessTimeoutTask.isCanceled()) {
                            accessTimeoutTask.cancel();
                        }
                    }
                }
            }

            @Override
            protected ResponseData getResponseData(final String uri, final boolean includeContent) {

labels.crawling_info_created_time=Created
labels.crawling_info_delete_all_link=Delete All
labels.crawling_info_delete_all_confirmation=Are you sure you want to delete all?
labels.crawling_info_delete_all_cancel=Cancel
labels.crawling_info_thread_dump=Thread Dump
labels.crawling_info_CrawlerStartTime=Crawler Start Time
labels.crawling_info_CrawlerEndTime=Crawler End Time
labels.crawling_info_CrawlerExecTime=Crawler Execution Time

        }
    }

    /**
     * Destroys the command generator and cleanup resources.
     */
    @Override
    public void destroy() {
        destoryTimer.cancel();
        destoryTimer = null;
    }

    /**
     * Generates a thumbnail for the given ID and saves it to the output file.
     * @param thumbnailId The ID of the thumbnail to generate.

        } finally {
            if (accessTimeout != null) {
                accessTimeoutTarget.stop();
                if (!accessTimeoutTask.isCanceled()) {
                    accessTimeoutTask.cancel();
                }
            }
        }
        return data;
    }

    /**
     * Sets the URL of the API endpoint.
     * @param url The URL to set.
     */

            if (accessTimeoutTarget != null) {
                accessTimeoutTarget.stop();
                if (accessTimeoutTask != null && !accessTimeoutTask.isCanceled()) {
                    accessTimeoutTask.cancel();
                }
            }
        }
    }

    /**
     * Gets response data for the given URI.
     *
     * @param uri the URI to get response data for