text: import MarkHalfEdge from '../edgegraph/MarkHalfEdge';
  export default class DissolveHalfEdge extends MarkHalfEdge {
  	constructor() {
  		super();
  		DissolveHalfEdge.constructor_.apply(this, arguments);
  	}
  	setStart() {
  		this._isStart = true;
  	}
  	isStart() {
  		return this._isStart;
  	}
  	getClass() {
  		return DissolveHalfEdge;
  	}
  	get interfaces_() {
  		return [];
  	}
  }
  DissolveHalfEdge.constructor_ = function () {
  	this._isStart = false;
  	let orig = arguments[0];
  	MarkHalfEdge.constructor_.call(this, orig);
  };
  