lass="w">

    </span><span class="nt">"key"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
        </span><span class="nt">"expression-1"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w">
            </span><span class="nt">"length-variation-1"</span><span class="p">:</span><span class="w"> </span><span class="s2">"value-1"</span><span class="p">,</span><span class="w">
            </span><span class="nt">"length-v