import { Injector } from '@angular/core';
/**
 * Merge two injectors
 *
 * This class implements the Injector ng2 interface but delegates
 * to the Injectors provided in the constructor.
 */
export declare class MergeInjector implements Injector {
    static NOT_FOUND: {};
    private injectors;
    constructor(...injectors: Injector[]);
    /**
     * Get the token from the first injector which contains it.
     *
     * Delegates to the first Injector.get().
     * If not found, then delegates to the second Injector (and so forth).
     * If no Injector contains the token, return the `notFoundValue`, or throw.
     *
     * @param token the DI token
     * @param notFoundValue the value to return if none of the Injectors contains the token.
     * @returns {any} the DI value
     */
    get(token: any, notFoundValue?: any): any;
}