otected">Protected</code> <code class="tsd-tag ts-flagReadOnly">Readonly</code><span>lane<wbr/>Breadths</span><div class="membertype"><span class="tsd-signature-symbol">: </span><a href="Map.html" class="tsd-signature-type tsd-kind-class">Map</a><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">, </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">&gt;</span></div><a href="#laneBreadths" aria-lab