code: private Set<String> getExcludes() {
          Set<String> result = new HashSet<String>();
          for (String exclude : kp.getExcludes()) {
              String name = exclude + ".class";
              String renamed = renames.get(name);
              result.add((renamed != null) ? renamed : name);
          }
          return result;
      }
docs: Returns the <code>.class</code> files to delete. As well the root-parameter as the rename ones
  are taken in consideration, so that the concerned files are not listed in the result.
  
  @return the paths of the files in the jar-archive, including the <code>.class</code> suffix