# Uses of Package
org.apache.uima.pear.util

- Packages that use org.apache.uima.pear.util
  Package | Description
  --- | ---
  org.apache.uima.pear.tools | The `org.apache.uima.pear.tools` package provides applications and tools that allow installing PEAR packages containing UIMA-compliant components, verifying serviceability of installed components by using UIMA API and browsing PEAR packages.
  org.apache.uima.pear.util | The `org.apache.uima.pear.util` package provides utilities that facilitate common operations with general files, strings and XML files, as well as simple process message routing and other useful operations.

- Classes in org.apache.uima.pear.util used by org.apache.uima.pear.tools
  Class and Description
  MessageRouter The `MessageRouter` class facilitates intra-process message routing.
  MessageRouter.StdChannelListener The `StdChannelListener` interface declares methods that should be implemented by each standard message channel listener.

- Classes in org.apache.uima.pear.util used by org.apache.uima.pear.util
  Class and Description
  MessageRouter.StdChannelListener The `StdChannelListener` interface declares methods that should be implemented by each standard message channel listener.
  ProcessUtil.StdStreamListener The `StdStreamListener` interface defines 2 methods that should be implemented by a standard stream listener to get console messages ('stderr' and 'stdout' streams) printed by selected process.

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