Clients of this class must create and populate the Lucene Directory according to the
schema in LuceneAutoSuggestIndexSchema before using this provider.
Clients of this class must create and populate the Lucene Directory according to the
schema in LuceneAutoSuggestIndexSchema before using this provider.
Sets the flag that controls whether the original query is rewritten to a "fuzzy" form (levenstein edit distance)
if the original execution fails to retrieve results.