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u=a[s],c=e.nodeMap[u.to];r<=c.label&&!n.hasNode(c)&&o.push(u)}return o},e.prototype.findForwardRmpathEdges=function(e,t,r,n){for(var o=[],i=e.nodeMap,a=i[t.to].label,d=i[t.from].edges,s=d.length,u=0;u<s;u++){var c=d[u],f=i[c.to].label;t.to===c.to||r>f||n.hasNode(i[c.to])||(t.label<c.label||t.label===c.label&&a<=f)&&o.push(c)}return o},e.prototype.getSupport=function(e){var t={};return e.forEach((function(e){t[e.graphId]||(t[e.graphId]=!0)})),Object.keys(t).length},e.prototype.findMinLabel=function(e){var t=void 0;return Object.keys(e).forEach((function(r){var n=e[r],o=n.nodeLabel1,i=n.edgeLabel,a=n.nodeLabel2;t?(o<t.nodeLabel1||o===t.nodeLabel1&&i<t.edgeLabel||o===t.nodeLabel1&&i===t.edgeLabel&&a<t.nodeLabel2)&&(t={nodeLabel1:o,edgeLabel:i,nodeLabel2:a}):t={nodeLabel1:o,edgeLabel:i,nodeLabel2:a}})),t},e.prototype.isMin=function(){var e=this,t=this.dfsCode;if(this.verbose&&console.log("isMin checking",t),1===t.dfsEdgeList.length)return!0;var r=this.directed,n=t.toGraph(-1,r),o=n.nodeMap,i=new ee,a={};n.nodes.forEach((function(t){e.findForwardRootEdges(n,t).forEach((function(e){var r=o[e.to],i="".concat(t.label,"-").concat(e.label,"-").concat(r.label);a[i]||(a[i]={projected:[],nodeLabel1:t.label,edgeLabel:e.label,nodeLabel2:r.label});var d={graphId:n.id,edge:e,preNode:null};a[i].projected.push(d)}))}));var d=this.findMinLabel(a);if(d){i.dfsEdgeList.push(new $(0,1,d.nodeLabel1,d.edgeLabel,d.nodeLabel2));var s=function(a){for(var d=i.buildRmpath(),u=i.dfsEdgeList[0].nodeEdgeNodeLabel.nodeLabel1,c=i.dfsEdgeList[d[0]].toNode,f={},h=!1,l=0,v=r?-1:0,p=function(t){if(h)return"break";a.forEach((function(r){var o=new te(r),a=e.findBackwardEdge(n,o.edges[d[t]],o.edges[d[0]],o);a&&(f[a.label]||(f[a.label]={projected:[],edgeLabel:a.label}),f[a.label].projected.push({graphId:n.id,edge:f,preNode:r}),l=i.dfsEdgeList[d[t]].fromNode,h=!0)}))},g=d.length-1;g>v&&"break"!==p(g);g--);if(h){var b=e.findMinLabel(f);i.dfsEdgeList.push(new 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