tiebreaker.js
function Id(s, r, m, isSimple) {
  this.s = s;
  this.r = r;
  this.m = m;
  Object.defineProperty(this, '_simple', {
    value: isSimple
  });
}
function Id(s, r, m, isSimple) {
  this.s = s;
  this.r = r;
  this.m = m;
  Object.defineProperty(this, '_simple', {
    value: isSimple
  });
}
function Id ( s , r , m , isSimple ) { this . s = s ; this . r = r ; this . m = m ; Object . defineProperty ( this , '_simple' , { value : isSimple } ) ; }
for grouped breakers
for grouped breakers