final File f = a.getFile();
            if (f != null && scopeFilter.test(a.getScope())) {
                final ArtifactHandler h = a.getArtifactHandler();
                if (h.isAddedToClasspath()) {
                    list.add(f.getPath());
                }
            }
        }
        return list;
    }

    /**
     * Returns the elements placed on the classpath for compilation.