text: var A;
  (function(A) {
      class Point {
      }
      A.Point = Point;
      class Line {
          constructor(start, end){
              this.start = start;
              this.end = end;
          }
      }
      function fromOrigin(p) {
          return new Line({
              x: 0,
              y: 0
          }, p);
      }
      A.fromOrigin = fromOrigin;
  })(A || (A = {}));
  