int () { final int PRIME = 59; int result = 1; result = result * PRIME + this.x; final Object $$a = this.$a; result = result * PRIME + ($$a == null ? 43 : $$a.hashCode()); final Object $b = this.b; result = result * PRIME + ($b == null ? 43 : $b.hashCode()); return result; }