# Uses of Interface
ch.qos.logback.core.spi.ComponentTracker

Packages that use ComponentTracker
Package
Description
ch.qos.logback.core.sift
ch.qos.logback.core.spi
Contains core functionnalities of logback, such as

## Uses of ComponentTracker in ch.qos.logback.core.sift

Classes in ch.qos.logback.core.sift that implement ComponentTracker
Modifier and Type
Class
Description
`class`
`AppenderTracker<E>`
Track appenders by key.

## Uses of ComponentTracker in ch.qos.logback.core.spi

Classes in ch.qos.logback.core.spi that implement ComponentTracker
Modifier and Type
Class
Description
`class`
`AbstractComponentTracker<C>`
An abstract implementation of the ComponentTracker interface.
`class`
`CyclicBufferTracker<E>`
CyclicBufferTracker tracks `CyclicBuffer` instances.