import { type Constructor, type IComponent } from "./engine_types.js";
declare type setter = (v: any) => void;
declare type getter = () => any;
/** create accessor callbacks for a field */
export declare const validate: (set?: setter, get?: getter) => (target: IComponent | any, propertyKey: string, descriptor?: undefined) => void;
/** Experimental attribute
 * Use to hook into another type's methods and run before the other methods run (similar to Harmony prefixes).
 * Return false to prevent the original method from running.
 */
export declare const prefix: <T>(type: Constructor<T>) => (target: IComponent | any, _propertyKey: string | {
    name: string;
}, _PropertyDescriptor: PropertyDescriptor) => void;
export {};