# Hierarchy For Package org.apache.lucene.facet.index

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.lucene.util.AttributeSource
    - org.apache.lucene.analysis.TokenStream (implements java.io.Closeable)
      - org.apache.lucene.facet.index.DrillDownStream
  - org.apache.lucene.facet.index.CountingListBuilder (implements org.apache.lucene.facet.index.CategoryListBuilder)
  - org.apache.lucene.facet.index.FacetFields

## Interface Hierarchy

- org.apache.lucene.facet.index.CategoryListBuilder

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