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## Package org.apache.lucene.analysis

Interface Summary
BaseTokenStreamTestCase.CheckClearAttributesAttribute | Attribute that records if it was cleared or not.

Class Summary
BaseTokenStreamTestCase | Base class for all Lucene unit tests that use TokenStreams.
BaseTokenStreamTestCase.CheckClearAttributesAttributeImpl | Attribute that records if it was cleared or not.
CannedTokenStream | TokenStream from a canned list of Tokens.
CollationTestBase | Base test class for testing Unicode collation.
EmptyTokenizer | Emits no tokens
LookaheadTokenFilter<T extends LookaheadTokenFilter.Position> | An abstract TokenFilter to make it easier to build graph token filters requiring some lookahead.
LookaheadTokenFilter.Position | Holds all state for a single position; subclass this to record other state at each position.
MockAnalyzer | Analyzer for testing
MockCharFilter | the purpose of this charfilter is to send offsets out of bounds if the analyzer doesn't use correctOffset or does incorrect offset math.
MockFixedLengthPayloadFilter | TokenFilter that adds random fixed-length payloads.
MockGraphTokenFilter | Randomly inserts overlapped (posInc=0) tokens with posLength sometimes > 1.
MockHoleInjectingTokenFilter |
MockRandomLookaheadTokenFilter | Uses `LookaheadTokenFilter` to randomly peek at future tokens.
MockReaderWrapper | Wraps a Reader, and can throw random or fixed exceptions, and spoon feed read chars.
MockTokenizer | Tokenizer for testing.
MockVariableLengthPayloadFilter | TokenFilter that adds random variable-length payloads.
TokenStreamToDot | Consumes a TokenStream and outputs the dot (graphviz) string (graph).
ValidatingTokenFilter | A TokenFilter that checks consistency of the tokens (eg offsets are consistent with one another).
VocabularyAssert | Utility class for doing vocabulary-based stemming tests

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