## Deprecated API

Contents

- Deprecated Classes
- Deprecated Constructors

Deprecated Classes
org.apache.lucene.collation.ICUCollationKeyFilter Use `ICUCollationAttributeFactory` instead, which encodes terms directly as bytes. This filter will be removed in Lucene 5.0
org.apache.lucene.collation.ICUCollationKeyFilterFactory use `ICUCollationKeyAnalyzer` instead.

Deprecated Constructors
org.apache.lucene.collation.ICUCollationKeyAnalyzer(Collator) Use `ICUCollationKeyAnalyzer.ICUCollationKeyAnalyzer(Version, Collator)` and specify a version instead. This ctor will be removed in Lucene 5.0

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