import { InjectionToken } from "@angular/core";
import { Config } from "../interfaces/config.interface";
/**
 * Declare default configuration values
 */
export declare const defaultConfig: Config;
/**
 * Register an injection token for "DEFAULT_AV_CONFIG"
 */
export declare const DEFAULT_AV_CONFIG: InjectionToken<Config>;
/**
 * Register an injection token for "AV_CONFIG"
 */
export declare const AV_CONFIG: InjectionToken<Config>;
/**
 * Merge a given config into the default config
 * @param config?
 * @returns Config
 */
export declare const provideConfig: (config?: Config) => Config;
/**
 * Deeply merge two or more KVP objects
 * @param  ...objects
 * @returns T
 */
export declare function mergeDeep<T>(...objects: any): T;