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In order to follow this example you need three things:
- a A Subversion client to check out the source code,
- the The IDE of your choice to view the source code, and
- Maven to build the source code.
The source code of the examples is available in the Felix SVN repository at http://svn.apache.org/repos/asf/felix/trunk/examples. If you feel more familiar with git, you can use the git mirror at: git://git.apache.org/felix.git or browse the source code at github: https://github.com/apache/felix
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