public void toString(UnitPrinter up) {
    up.literal(Jimple.v().STATICINVOKE);
    up.literal(" ");
    up.methodRef(methodRef);
    up.literal("(");

    for (int i = 0; i < argBoxes.size(); i++) {
      if (i != 0) up.literal(", ");

      getArgBox(i).toString(up);
    }

    up.literal(")");
  }