Indexer declaration. View ID can contain only [a-zA-Z0-9_]. Class name can contain only [a-zA-Z\]. From attribute can contain only [a-zA-Z0-9_]. To attribute can contain only [a-zA-Z0-9_]. To attribute can contain only [a-zA-Z0-9_]. Class name can contain only [a-zA-Z\]. Index field declaration. Fieldset of field declaration. Index field filter. Structure type. SaveHandler type. Index field reference. Indexer Id must be unique. Indexer Id must be unique. Fieldset name must be unique. Field fieldset key must exists. Related indexer id must be unique. Root element of the indexer dependencies. Indexer dependency that represents another indexer.