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## Class org.apache.hadoop.mapred.lib.`ChainReducer`

Changed Methods
`void` `addMapper`(`JobConf,` Class, Class, Class, Class, Class, boolean, JobConf) | Change in signature from (`JobConf, Class>, Class, Class, Class, Class, boolean, JobConf`) to (`JobConf, Class, Class, Class, Class, Class, boolean, JobConf`). | Adds a Mapper class to the chain job's JobConf.
`void` `setReducer`(`JobConf,` Class, Class, Class, Class, Class, boolean, JobConf) | Change in signature from (`JobConf, Class>, Class, Class, Class, Class, boolean, JobConf`) to (`JobConf, Class, Class, Class, Class, Class, boolean, JobConf`). | Sets the Reducer class to the chain job's JobConf.

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