* This is a breaking change (and only slightly) if you used dependencies with `yield`, used `except` in those dependencies, and didn't raise again.

FC29          ; mapped                 ; 0639 062C     # 1.1  ARABIC LIGATURE AIN WITH JEEM ISOLATED FORM
FC2A          ; mapped                 ; 0639 0645     # 1.1  ARABIC LIGATURE AIN WITH MEEM ISOLATED FORM
FC2B          ; mapped                 ; 063A 062C     # 1.1  ARABIC LIGATURE GHAIN WITH JEEM ISOLATED FORM
FC2C          ; mapped                 ; 063A 0645     # 1.1  ARABIC LIGATURE GHAIN WITH MEEM ISOLATED FORM

AA,QAIA,iBAAA,EAAA,CAAA,GAAA,CAAA,IAAA,mBAAA,GAAA,CAAA,GAAA,CAAA,IAAA,iBAAA,EAAA,CAAA,GAAA,CAAA,GAAA,cAAA,EAAA,CAAA,GAAA,CAAA,IAAA,iBAAA,GAAA,CAAA,GAAA,CAAA,EAAA,gBAAA,GAAA,CAAA,EAAA,CAAA,GAAA,eAAA,GAAA,CAAA,GAAA,CAAA,IAAA,cAAA,EAAA,CAAA,EAAA,CAAA,GAIA,2BAAA,QAAA,6BAAA,QAAA,2BAAA,QAAA,wBAAA,QAAA,2BAAA,QAAA,0BAAA,QAAA,yBAAA,QAAA,wBAAA,QAIA,uBAAA,QAAA,yBAAA,QAAA,uBAAA,QAAA,oBAAA,QAAA,uBAAA,QAAA,sBAAA,QAAA,qBAAA,QAAA,oBAAA,QAIA,2BAAA,QAAA,6BAAA,QAAA,2BAAA,QAAA,wBAAA,QAAA,2BAAA,QAAA,0BAAA,QAAA,yBAAA...

     */
    String getCrawlerMetadataNameMapping();

    /**
     * Get the value for the key 'crawler.document.html.content.xpath'. <br>
     * The value is, e.g. //BODY <br>
     * comment: XPath to extract main content from HTML documents.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getCrawlerDocumentHtmlContentXpath();

    /**