@InterfaceAudience.Private @InterfaceStability.Unstable

# Package org.apache.hadoop.mapreduce.security.token

- Class Summary
  Class | Description
  --- | ---
  JobTokenIdentifier | The token identifier for job token
  JobTokenIdentifier.Renewer |
  JobTokenSecretManager | SecretManager for job token.
  JobTokenSelector | Look through tokens to find the first job token that matches the service and return it.

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