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lt=["nodesep","edgesep","ranksep","marginx","marginy"],ht={ranksep:50,edgesep:20,nodesep:50,rankdir:"tb"},vt=["acyclicer","ranker","rankdir","align"],pt=["width","height"],wt={width:0,height:0},bt=["minlen","weight","width","height","labeloffset"],mt={minlen:1,weight:1,width:0,height:0,labeloffset:10,labelpos:"r"},gt=["labelpos"];function yt(e){var n=new g({multigraph:!0,compound:!0}),r=W(e.graph());return n.setGraph(X({},ht,q(r,lt),A(r,vt))),f(e.nodes(),function(t){var i=W(e.node(t));n.setNode(t,En(q(i,pt),wt)),n.setParent(t,e.parent(t))}),f(e.edges(),function(t){var i=W(e.edge(t));n.setEdge(t,X({},mt,q(i,bt),A(i,gt)))}),n}function xt(e){var n=e.graph();n.ranksep/=2,f(e.edges(),function(r){var t=e.edge(r);t.minlen*=2,t.labelpos.toLowerCase()!=="c"&&(n.rankdir==="TB"||n.rankdir==="BT"?t.width+=t.labeloffset:t.height+=t.labeloffset)})}function Et(e){f(e.edges(),function(n){var r=e.edge(n);if(r.width&&r.height){var t=e.node(n.v),i=e.node(n.w),o={rank:(i.rank-t.rank)/2+t.rank,e:n};N(e,"edge-proxy",o,"_ep")}})}function kt(e){var n=0;f(e.nodes(),function(r){var t=e.node(r);t.borderTop&&(t.minRank=e.node(t.borderTop).rank,t.maxRank=e.node(t.borderBottom).rank,n=y(n,t.maxRank))}),e.graph().maxRank=n}function Ot(e){f(e.nodes(),function(n){var r=e.node(n);r.dummy==="edge-proxy"&&(e.edge(r.e).labelRank=r.rank,e.removeNode(n))})}function Nt(e){var n=Number.POSITIVE_INFINITY,r=0,t=Number.POSITIVE_INFINITY,i=0,o=e.graph(),a=o.marginx||0,u=o.marginy||0;function d(s){var c=s.x,l=s.y,h=s.width,v=s.height;n=Math.min(n,c-h/2),r=Math.max(r,c+h/2),t=Math.min(t,l-v/2),i=Math.max(i,l+v/2)}f(e.nodes(),function(s){d(e.node(s))}),f(e.edges(),function(s){var c=e.edge(s);Object.prototype.hasOwnProperty.call(c,"x")&&d(c)}),n-=a,t-=u,f(e.nodes(),function(s){var c=e.node(s);c.x-=n,c.y-=t}),f(e.edges(),function(s){var c=e.edge(s);f(c.points,function(l){l.x-=n,l.y-=t}),Object.prototype.hasOwnProperty.call(c,"x")&&(c.x-=n),Object.prototype.hasOwnProperty.call(c,"y")&&(c.y-=t)}),o.width=r-n+a,o.height=i-t+u}function Lt(e){f(e.edges(),function(n){var r=e.edge(n),t=e.node(n.v),i=e.node(n.w),o,a;r.points?(o=r.points[0],a=r.points[r.points.length-1]):(r.points=[],o=i,a=t),r.points.unshift(ae(t,o)),r.points.push(ae(i,a))})}function Pt(e){f(e.edges(),function(n){var r=e.edge(n);if(Object.prototype.hasOwnProperty.call(r,"x"))switch((r.labelpos==="l"||r.labelpos==="r")&&(r.width-=r.labeloffset),r.labelpos){case"l":r.x-=r.width/2+r.labeloffset;break;case"r":r.x+=r.width/2+r.labeloffset;break}})}function _t(e){f(e.edges(),function(n){var r=e.edge(n);r.reversed&&r.points.reverse()})}function Ct(e){f(e.nodes(),function(n){if(e.children(n).length){var r=e.node(n),t=e.node(r.borderTop),i=e.node(r.borderBottom),o=e.node(F(r.borderLeft)),a=e.node(F(r.borderRight));r.width=Math.abs(a.x-o.x),r.height=Math.abs(i.y-t.y),r.x=o.x+r.width/2,r.y=t.y+r.height/2}}),f(e.nodes(),function(n){e.node(n).dummy==="border"&&e.removeNode(n)})}function It(e){f(e.edges(),function(n){if(n.v===n.w){var r=e.node(n.v);r.selfEdges||(r.selfEdges=[]),r.selfEdges.push({e:n,label:e.edge(n)}),e.removeEdge(n)}})}function Rt(e){var n=G(e);f(n,function(r){var t=0;f(r,function(i,o){var a=e.node(i);a.order=o+t,f(a.selfEdges,function(u){N(e,"selfedge",{width:u.label.width,height:u.label.height,rank:a.rank,order:o+ ++t,e:u.e,label:u.label},"_se")}),delete a.selfEdges})})}function Tt(e){f(e.nodes(),function(n){var r=e.node(n);if(r.dummy==="selfedge"){var t=e.node(r.e.v),i=t.x+t.width/2,o=t.y,a=r.x-i,u=t.height/2;e.setEdge(r.e,r.label),e.removeNode(n),r.label.points=[{x:i+2*a/3,y:o-u},{x:i+5*a/6,y:o-u},{x:i+a,y:o},{x:i+5*a/6,y:o+u},{x:i+2*a/3,y:o+u}],r.label.x=r.x,r.label.y=r.y}})}function q(e,n){return j(A(e,n),Number)}function W(e){var n={};return f(e,function(r,t){n[t.toLowerCase()]=r}),n}export{Bt as l};