### Key Extractors

`TikaExtractor` (1000+ formats), `PdfExtractor`, `MsWordExtractor`, `MsExcelExtractor`, `MsPowerPointExtractor`, `ZipExtractor`, `HtmlExtractor`, etc.

**Registration**:
```java
extractorFactory.addExtractor("text/html", htmlExtractor, 2);  // Weight 2
extractorFactory.addExtractor("text/html", tikaExtractor, 1);  // Fallback
```

### Helpers

     *
     * @return the heartbeat timeout
     */
    long getWitnessHeartbeatTimeout();

    /**
     * Gets the witness registration timeout in milliseconds.
     *
     * @return the registration timeout
     */
    long getWitnessRegistrationTimeout();

    /**
     * Gets the witness reconnect delay in milliseconds.
     *
     * @return the reconnect delay

    /**
     * Timeout in milliseconds for witness heartbeat messages
     */
    protected long witnessHeartbeatTimeout = 120000; // 2 minutes
    /**
     * Timeout in milliseconds for witness registration
     */
    protected long witnessRegistrationTimeout = 300000; // 5 minutes
    /**
     * Delay in milliseconds before attempting witness reconnection
     */

  <mime-type type="application/set-payment"/>
  <mime-type type="application/set-payment-initiation">
    <glob pattern="*.setpay"/>
  </mime-type>
  <mime-type type="application/set-registration"/>
  <mime-type type="application/set-registration-initiation">
    <glob pattern="*.setreg"/>
  </mime-type>
  <mime-type type="application/sgml"/>
  <mime-type type="application/sgml-open-catalog"/>