## Uses of Interface
org.apache.uima.cas.impl.FSIndexImpl

- Packages that use FSIndexImpl
  Package | Description
  --- | ---
  org.apache.uima.cas.impl | Implementation and Low-Level API for the CAS Interfaces.

- - ### Uses of FSIndexImpl in org.apache.uima.cas.impl

    Classes in org.apache.uima.cas.impl that implement FSIndexImpl
    Modifier and Type | Class and Description
    --- | ---
    `class` | `FSBagIndex<T extends FeatureStructure>` Used for UIMA FS Bag Indexes Uses IntVector or PositiveIntSet to hold values of FSs
    `class` | `FSIntArrayIndex<T extends FeatureStructure>` Used for sorted indexes only Uses IntVector (sorted) as the index (of FSs)
    `class` | `FSLeafIndexImpl<T extends FeatureStructure>` The common (among all index kinds - set, sorted, bag) info for an index Subtypes define the actual index repository (integers indexing the CAS) for each kind.
    `class` | `FSRBTSetIndex<T extends FeatureStructure>` Used for UIMA FS Set Indexes Uses CompIntArrayRBT red black tree to hold items Same as FSRBTIndex, but duplicates are not inserted.

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