n>     * @param w1 wrapper for nested value - should not be {@code null}<a name="line.209"></a>
<span class="sourceLineNo">210</span>     * @param w2 wrapper for nested value - should not be {@code null}<a name="line.210"></a>
<span class="sourceLineNo">211</span>     * @param w3 wrapper for nested value - should not be {@code null}<a name="line.211"></a>
<span class="sourceLineNo">212</span>     * @param v value to wrap - should not be {@code null}<a name="line.212"></a>
<span class="sourceLineNo">213</spa