// pullback levels for different profits before leverage

settableWithVar double profitLevel1;
settableWithVar double callback1;
settableWithVar double profitLevel2;
settableWithVar double callback2;
settableWithVar double profitLevel3;
settableWithVar double callback3;
settableWithVar double profitLevel4;
settableWithVar double callback4;

swappable MultiCallbackJuicer makeJuicer() {
  new MultiCallbackJuicer j;
  for (int i = 1; i <= 4; i++) {
    double profitLevel = toDouble(get(this, "profitLevel" + i));
    double callback = toDouble(get(this, "callback" + i));
    if (profitLevel != 0 || callback != 0)
      j.addLevel(profitLevel, callback);
  }
  ret j;
}

Began life as a copy of #1036390