# Package org.apache.tapestry5.commons.internal.util

- Class Summary
  Class | Description
  --- | ---
  GenericsUtils | Static methods related to the use of JDK 1.5 generics.
  InheritanceSearch | Used to search from a particular class up the inheritance hierarchy of extended classes and implemented interfaces.
  InternalCommonsUtils | Utility methods class for the Commons package.
  LockSupport | Base class for classes that need to manage a ReadWriteLock.
  MessageFormatterImpl |
  MessagesImpl | Implementation of `Messages` based around a `ResourceBundle`.

- Exception Summary
  Exception | Description
  --- | ---
  TapestryException | Exception class used as a replacement for `RuntimeException` when the exception is related to a particular location.