import { ECS } from "./ECS";
import { EntityView } from "./EntityViewFactory";
import { ISystem } from "./ISystem";
export declare class System implements ISystem {
    ecs: ECS;
    update(dt: number): void;
}
export declare type ValuesOf<T extends any[]> = T[number];
declare type ArrayElement<ArrayType> = ArrayType extends (infer ElementType)[] ? ElementType : never;
export declare type SystemEntityType<T extends System, View extends keyof T> = (T[View] extends EntityView ? ArrayElement<T[View]['entities']> : never) | any;
export {};