/// <reference types="jasmine" />
import { AngularFireFunctions } from '@angular/fire/functions';
import { Observable } from 'rxjs';
declare type CallableFn = (x: any) => Observable<any>;
export declare function fakeResponse(response?: any): CallableFn;
export declare class FakeAngularFireFunctions {
    httpsCallable: jasmine.Spy<(x: string) => CallableFn>;
    constructor();
    static create(): AngularFireFunctions & FakeAngularFireFunctions;
}
export {};