import type { NgtPerformanceOptions } from '../types';
export declare const injectPerformanceOptions: (options?: import("@angular/core").InjectOptions | undefined) => NgtPerformanceOptions, providePerformanceOptions: (value: Partial<NgtPerformanceOptions>) => import("@angular/core").Provider, NGT_PERFORMANCE_OPTIONS: import("@angular/core").InjectionToken<NgtPerformanceOptions>;