/**
     * Gets an array of design JSP file names.
     *
     * @return An array of pairs of keys and file names.
     */
    @SuppressWarnings("unchecked")
    public Pair<String, String>[] getDesignJspFileNames() {
        return designJspFileNameMap.entrySet().stream().map(e -> new Pair<>(e.getKey(), e.getValue())).toArray(n -> new Pair[n]);
    }

    /**
     * Refreshes the design JSP files for all virtual hosts.

            jspItems.add(new Pair<>(":" + p.getFirst(), "/" + p.getSecond()));
        }
        for (String key : ComponentUtil.getVirtualHostHelper().getVirtualHostPaths()) {
            if (StringUtil.isBlank(key)) {
                key = "/";
            }
            for (final Pair<String, String> p : systemHelper.getDesignJspFileNames()) {

        systemHelper.addDesignJspFileName("xxx", "yyy");
        assertEquals("yyy", systemHelper.getDesignJspFileName("xxx"));
        final Pair<String, String>[] designJspFileNames = systemHelper.getDesignJspFileNames();
        assertEquals(1, designJspFileNames.length);
        assertEquals("xxx", designJspFileNames[0].getFirst());
        assertEquals("yyy", designJspFileNames[0].getSecond());
    }

    @Test