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## Package org.apache.log4j.spi

Log4j 1.x compatibility layer.

See:
Description

Interface Summary
ErrorHandler | Appenders may delegate their error handling to `ErrorHandlers`.
HierarchyEventListener | Listen to events occurring within a Hierarchy.
LoggerFactory | Implement this interface to create new instances of Logger or a sub-class of Logger.
LoggerRepository | A `LoggerRepository` is used to create and retrieve `Loggers`.
RepositorySelector | The `LogManager` uses one (and only one) `RepositorySelector` implementation to select the `LoggerRepository` for a particular application context.

Class Summary
Filter |
LoggingEvent | No-op version of Log4j 1.2 LoggingEvent.

## Package org.apache.log4j.spi Description

Log4j 1.x compatibility layer.

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