## Package org.apache.lucene.index

Class Summary
BalancedSegmentMergePolicy: Deprecated. This class is removed in 4.0; use `TieredMergePolicy` instead.
BalancedSegmentMergePolicy.MergePolicyParams: Specifies configuration parameters for BalancedSegmentMergePolicy.
CompoundFileExtractor: Command-line tool for extracting sub-files out of a compound file.
FieldNormModifier: Deprecated. This class is broken, as it does not correctly take position overlaps into account.
IndexSorter: Sort an index by document importance factor.
IndexSplitter: Command-line tool that enables listing segments in an index, copying specific segments to another index, and deleting segments from an index.
MultiPassIndexSplitter: This tool splits input index into multiple equal parts.
PKIndexSplitter: Split an index based on a `Filter`.
TermVectorAccessor: Transparent access to the vector space model, either via TermFreqVector or by resolving it from the inverted index.