ruleManager.addRule(rule2);

        // Register at index 1
        testRule.setRuleId("middle");
        testRule.register(1);

        List<Rule> rules = ruleManager.getRules();
        assertEquals(3, rules.size());
        assertEquals("rule1", rules.get(0).getRuleId());
        assertEquals("middle", rules.get(1).getRuleId());
        assertEquals("rule2", rules.get(2).getRuleId());
    }

    /**

        TestRule rule3 = new TestRule("rule3", true);

        ruleManager.addRule(rule1);
        ruleManager.addRule(rule3);
        ruleManager.addRule(1, rule2); // Insert in middle

        List<Rule> rules = ruleManager.getRules();
        assertEquals(3, rules.size());
        assertEquals("rule1", rules.get(0).getRuleId());
        assertEquals("rule2", rules.get(1).getRuleId());

			<artifactId>tika-parser-apple-module</artifactId>
			<version>${tika.version}</version>
		</dependency>
		<dependency>
			<groupId>org.apache.tika</groupId>
			<artifactId>tika-parser-audiovideo-module</artifactId>
			<version>${tika.version}</version>
		</dependency>
		<dependency>
			<groupId>org.apache.tika</groupId>
			<artifactId>tika-parser-cad-module</artifactId>
			<version>${tika.version}</version>

- XML documents
- JSON and structured data

#### Media Files
- Audio formats (MP3, WAV, FLAC)
- Video formats (MP4, AVI, MOV)
- Metadata extraction from media files

## Architecture

### Multi-Module Structure

```
fess-crawler-parent/
├── fess-crawler/              # Core crawler framework
│   ├── client/               # Protocol clients (HTTP, FTP, SMB, etc.)
│   ├── extractor/           # Content extractors