## Uses of Interface
org.apache.lucene.util.fst.FSTStore

- Packages that use FSTStore
  Package | Description
  --- | ---
  org.apache.lucene.util.fst | Finite state transducers

- - ### Uses of FSTStore in org.apache.lucene.util.fst

    Classes in org.apache.lucene.util.fst that implement FSTStore
    Modifier and Type | Class and Description
    --- | ---
    `class` | `OffHeapFSTStore` Provides off heap storage of finite state machine (FST), using underlying index input instead of byte store on heap
    `class` | `OnHeapFSTStore` Provides storage of finite state machine (FST), using byte array or byte store allocated on heap.

    Constructors in org.apache.lucene.util.fst with parameters of type FSTStore
    Constructor and Description
    `FST(DataInput metaIn, DataInput in, Outputs<T> outputs, FSTStore fstStore)` Load a previously saved FST; maxBlockBits allows you to control the size of the byte[] pages used to hold the FST bytes.

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