Implementation of SearchProvider that dynamically builds a Lucene index (according to the schema defined
in LuceneSearchIndexSchema) using the results retrieved from another SearchProvider.
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.
Multi-valued field that holds the lexical form of preferred datatype properties, non-preferred datatype
properties and preferred datatype props of resource related by object props.