# Uses of Class
ch.qos.logback.core.UnsynchronizedAppenderBase

Packages that use UnsynchronizedAppenderBase
Package
Description
ch.qos.logback.classic
Contains logback classic main classes.
ch.qos.logback.core
Contains the main classes of logback core.
ch.qos.logback.core.rolling
Implements various file rolling policies.

## Uses of UnsynchronizedAppenderBase in ch.qos.logback.classic

Subclasses of UnsynchronizedAppenderBase in ch.qos.logback.classic
Modifier and Type
Class
Description
`class`
`AsyncAppender`
In order to optimize performance this appender deems events of level TRACE, DEBUG and INFO as discardable.

## Uses of UnsynchronizedAppenderBase in ch.qos.logback.core

Subclasses of UnsynchronizedAppenderBase in ch.qos.logback.core
Modifier and Type
Class
Description
`class`
`AsyncAppenderBase<E>`
This appender and derived classes, log events asynchronously.
`class`
`ConsoleAppender<E>`
ConsoleAppender appends log events to `System.out` or `System.err` using a layout specified by the user.
`class`
`FileAppender<E>`
FileAppender appends log events to a file.
`class`
`OutputStreamAppender<E>`
OutputStreamAppender appends events to a `OutputStream`.

## Uses of UnsynchronizedAppenderBase in ch.qos.logback.core.rolling

Subclasses of UnsynchronizedAppenderBase in ch.qos.logback.core.rolling
Modifier and Type
Class
Description
`class`
`RollingFileAppender<E>`
`RollingFileAppender` extends `FileAppender` to backup the log files depending on `RollingPolicy` and `TriggeringPolicy`.