import { System } from '../engine/system';
import { IEntity, IAction } from '../engine/state';
export interface IDamageAction extends IAction {
    type: 'DAMAGE';
    entityId: string;
    stat: string;
    amount: number;
}
export declare const DoDamage: (entity: IEntity, stat: string, amount: number) => IDamageAction;
export declare class Stats extends System {
    add(entity: IEntity): void;
    HandleDamage(a: IDamageAction): void;
    tick(delta: any): void;
}