import { SystemServices } from '../../services';
import StoreFront from '../../storefront';
export declare const CORE: unique symbol;
export declare const core: (target: any) => void;
export declare abstract class BaseService<T = any> implements Service {
    protected app: StoreFront;
    protected opts: T;
    constructor(app: StoreFront, opts: T);
    abstract init(services: SystemServices): void;
}
export interface Service {
    init(services: SystemServices): void;
}
export declare namespace Service {
    function isCore(service: any): boolean;
    namespace Constructor {
        type Map = {
            [key: string]: Constructor;
        };
    }
    interface Constructor {
        new (app: StoreFront, config: any): Service;
    }
    type Map = {
        [key: string]: Service;
    };
    type Options<T> = Service.Constructor | T | false;
}
export default Service;