itle="Permalink"><i class="material-icons"></i></a></span></h1><h3><span class="morelinks"></span></h3></div><h4 id="signature" class="signature"><span class="modifier_kind"><span class="modifier"></span> <span class="kind">trait</span></span> <span class="symbol"><span class="name">ConeRestriction</span><span class="tparams">[<span name="X">X<span class="tparams">[<span name="_">_</span>]</span></span>, <span name="Y">Y<span class="tparams">[<span name="_">_</span>]</span></span>, <span name="G">G<span 