     final Wrapper&lt;T6&gt; w6,<a name="line.366"></a>
<span class="sourceLineNo">367</span>                                                                                  final Wrapper&lt;TR&gt; wr) {<a name="line.367"></a>
<span class="sourceLineNo">368</span>        assert w0 != null : "null w0";<a name="line.368"></a>
<span class="sourceLineNo">369</span>        assert w1 != null : "null w1";<a name="line.369"></a>
<span class="sourceLineNo">370</span>        assert w2 != null : "null w2";<a name="li