import { InjectionToken } from 'injection-js';
import { ConfigInterface } from './config';
export declare type ConfigProvider = {
    provide: InjectionToken<any>;
    useValue: ConfigInterface;
};
export declare class ConfigHelper {
    static getInjectionToken(key?: string): InjectionToken<any>;
    static getProvider(key?: string, value?: any): ConfigProvider;
}