plugins/org.eclipse.epf.library/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.0"?>
<plugin>

   <extension
      point="org.eclipse.core.resources.natures"
      id="MethodLibraryNature"
      name="MethodLibrary Nature">
      <runtime>
         <run class="org.eclipse.epf.library.util.MethodLibraryNature">
         </run>
      </runtime>
   </extension>
   
</plugin>