}

    /**
     * Gets the design JSP file name for a given key.
     *
     * @param fileName The key for the JSP file.
     * @return The file name.
     */
    public String getDesignJspFileName(final String fileName) {
        return designJspFileNameMap.get(fileName);
    }

    /**
     * Gets an array of design JSP file names.
     *
     * @return An array of pairs of keys and file names.

    }

    @Test
    public void test_getDesignJspFileName() {
        assertNull(systemHelper.getDesignJspFileName("xxx"));
        systemHelper.addDesignJspFileName("xxx", "yyy");
        assertEquals("yyy", systemHelper.getDesignJspFileName("xxx"));
        final Pair<String, String>[] designJspFileNames = systemHelper.getDesignJspFileNames();
        assertEquals(1, designJspFileNames.length);