| org.apache.lucene.payloads | 
 Experimental classes for interacting with payloads 
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| org.apache.lucene.sandbox.codecs.idversion | 
 A primary-key postings format that associates a version (long) with each term and can provide
 fail-fast lookups by ID and version. 
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| org.apache.lucene.sandbox.document | 
This package contains several point types:
 
    BigIntegerPoint for 128-bit
       integers
    LatLonPoint for latitude/longitude
       geospatial points
   
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| org.apache.lucene.sandbox.facet | 
 Sandbox faceting - Collectors that compute facets. 
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| org.apache.lucene.sandbox.facet.cutters | 
Sandbox faceting: facet cutters, see  FacetCutter
 for details.  
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| org.apache.lucene.sandbox.facet.cutters.ranges | 
 Sandbox faceting: Range Faceting 
 | 
| org.apache.lucene.sandbox.facet.iterators | 
 Sandbox faceting: facet ordinals. 
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| org.apache.lucene.sandbox.facet.labels | 
Sandbox faceting: facet labels, see  OrdToLabel for
 details.  
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| org.apache.lucene.sandbox.facet.recorders | 
 Sandbox faceting: classes that can record per ordinal data E.g. 
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| org.apache.lucene.sandbox.index | 
 Experimental index-related classes 
 | 
| org.apache.lucene.sandbox.queries | 
 Additional queries (some may have caveats or limitations) 
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| org.apache.lucene.sandbox.search | 
 This package contains a flexible graph-based proximity query, TermAutomatonQuery, and geospatial
 queries. 
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