This interface is considered usable by external developers but its contracts have not stabilized.
Experimental APIs may be changed at any time before being marked
Provides ability to add fields to Document during indexing
Extracts fields from document provided by
EntitySearchExtractor.Context and adds them to document.
All the filed names that were added to documents as indexed to document must be returned as output of this method
||context for this operation
||lucene document to which values should be added
- ids of the document fields that were added by call of this method