Override parent class instance variable in subclass - actionscript-3

Question

In PHP it's trivial to override properties of a class in a subclass. For instance:
class Generic_Enemy {
protected $hp = 100;
protected $str = 5;
//...
}
class Boss_Enemy extends Generic Enemy {
protected $hp = 1000;
protected $str = 25;
}
Which is extremely convenient because at-a-glance you can see in what ways the subclass differs from the parent class.
In AS3 the only way I've found is through getters, which really isn't elegant at all:
public class GenericEnemy {
private var _hp:uint = 100;
private var _str:uint = 25;
public function get hp():uint {
return _hp;
}
public function get str():uint {
return _str;
}
}
public class BossEnemy extends GenericEnemy {
override public function get hp():uint {
return 1000;
}
override public function get str():uint {
return 25;
}
}
Is there a nicer way of doing this that aligns with the PHP approach?
Specifically: let's say I'm writing an API that will let a developer easily spin off his own Enemies. I would rather document that you just have to override hp and str properties rather than explain that they have to create a new getter for each property they wish to override. It's a matter of trying to create the cleanest API and the easiest to document and maintain.

Answer 1

Sometimes ya just have to write the SO question in order to see the (obvious) answer:
public class GenericEnemy {
protected var _hp:uint = 100;
protected var _str:uint = 25;
public function GenericEnemy(){
//...
}
}
public class BossEnemy extends GenericEnemy {
public function BossEnemy(){
_hp = 1000;
_str = 50;
super();
}
}