text: "use strict";
  var SourceRange = function() {
    function SourceRange(start, end) {
      this.start = start;
      this.end = end;
    }
    return ($traceurRuntime.createClass)(SourceRange, {toString: function() {
        var str = this.start.source.contents;
        return str.slice(this.start.offset, this.end.offset);
      }}, {});
  }();
  Object.defineProperties(module.exports, {
    SourceRange: {get: function() {
        return SourceRange;
      }},
    __esModule: {value: true}
  });
  