@Override public int getRepairCost() { return ((Repairable) im).getRepairCost(); }
@Override public void setRepairCost(int cost) { ((Repairable) im).setRepairCost(cost); }
@Override public boolean hasRepairCost() { return ((Repairable) im).hasRepairCost(); }
key.setInt("repaircost", rep.getRepairCost()); } else { key.removeKey("repaircost");
((Repairable) res.getItemMeta()).setRepairCost(root.getInt("repaircost"));