| ActiveDeletedBlobCollectorMBeanImpl | 
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| AsyncIndexesSizeStatsUpdateImpl | 
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| FacetTestHelper | 
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| FieldFactory | 
 A factory for Lucene Field instances with frequently used fields. 
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| IndexAugmentorFactory | 
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| IndexCopier | 
 Copies index files to/from the local disk and the datastore. 
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| IndexTracker | 
 Keeps track of all Lucene indexes in a repository (all readers, writers, and
 definitions). 
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| LoggingInfoStream | 
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| LuceneDocumentMaker | 
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| LuceneIndex | 
 Used to query old (compatVersion 1) Lucene indexes. 
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| LuceneIndexDefinition | 
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| LuceneIndexDefinition.Builder | 
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| LuceneIndexEditorContext | 
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| LuceneIndexEditorProvider | 
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| LuceneIndexInfoProvider | 
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| LuceneIndexMBeanImpl | 
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| LuceneIndexNodeManager | 
 Keeps track of the open read sessions for an index. 
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| LuceneIndexProvider | 
 A provider for Lucene indexes. 
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| LuceneIndexProviderService | 
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| LuceneIndexStatistics | 
 This class would populate some statistics from a reader. 
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| LuceneIndexStatsUpdateCallback | 
 PropertyUpdateCallback that records statistics about a certain index size (on disk) and number of documents. 
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| LucenePropertyIndex | 
 Used to query new (compatVersion 2) Lucene indexes. 
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| MultiLuceneIndex | 
 A full-text search that is used when the query contains there are multiple
 "parents", as in "contains(a/x, 'hello') and contains(b/x, 'world')". 
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| OakAnalyzer | 
 The default Lucene Analyzer used in Oak. 
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| OakCodec | 
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| TermFactory | 
 A factory for Lucene Term instances with frequently used field names. 
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