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| Provides support for extending the base installation |
| and update services. |
| <h2> |
| Package Specification</h2> |
| This package specifies the API required for writing pluggable support of |
| alternate feature packaging schemes and update site access mechanisms. |
| For the most part, the classes and interfaces in this package implement |
| a code pattern <tt>class Foo extends FooModel implements IFoo</tt>. The |
| interface (<tt>IFoo</tt> in the pattern) defines the actual API. The convenience |
| classes (<tt>Foo</tt> in the pattern) provide a reference implementation |
| of the API based on a model (<tt>IFooModel</tt> in the pattern) contained |
| in package <b>org.eclipse.update.core.model</b>. In general, developers |
| should extend the convenience classes rather than completely reimplementing |
| the specified interfaces. |
| <p> |
| <b>Note:</b> This package has been deprecated and will be deleted in a future |
| release. See bug 311590 for details. |
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