&lt; layout : <span><a href="class-type-layout_options/index.html">layout_options</a> Js_of_ocaml.Js.t</span> <span>&#45;&gt;</span> <span><span><a href="class-type-layout/index.html">layout</a> <a href="../../ezjs-utils/Ocp_js/index.html#module-Js">Ocp_js.Js</a>.t</span> Js_of_ocaml.Js.meth</span>; .. &gt; Js_of_ocaml.Js.t</span> <span>&#45;&gt;</span> <span><a href="class-type-layout/index.html">layout</a> <a href="../../ezjs-utils/Ocp_js/index.html#module-Js">Ocp_js.Js</a>.t</span></code></dt><dt class="