+ document_result Prefix(uchar const *, DocId, DocId) const;
+ document_result Suffix(uchar const *, DocId, DocId) const;
+ document_result Equal(uchar const *, DocId, DocId) const;
+ document_result Contains(uchar const *, DocId, DocId) const;
+ document_result LessThan(uchar const *, DocId, DocId) const;
+
+ // Definition of full_result is inherited from SXSI::TextCollection.