/// <reference types="jasmine" />
import { AngularFirePerformance } from '@angular/fire/performance';
export declare class FakeAngularFirePerformance {
    trace: jasmine.Spy<(name: string) => Promise<any>>;
    start: jasmine.Spy<() => Promise<any>>;
    stop: jasmine.Spy<() => Promise<any>>;
    putAttribute: jasmine.Spy<(key: string, value: any) => Promise<any>>;
    constructor();
    static create(): FakeAngularFirePerformance & AngularFirePerformance;
}