import { Observable } from 'rxjs';
import { IDebugFeaturesService, FlagChangeset, FlagSet } from '../interfaces/features.interface';
import * as i0 from "@angular/core";
export declare class DebugFeaturesService implements IDebugFeaturesService {
    private readonly overriddenFeaturesService;
    private readonly writableFeaturesService;
    private readonly config;
    private readonly isInDebugModeSubject;
    private readonly isInDebugMode$;
    private readonly initSubject;
    get storageKey(): string;
    constructor();
    isOn$(key: string): Observable<boolean>;
    isOff$(key: string): Observable<boolean>;
    /**
     * Gets the flags as an observable.
     *
     * @returns the observable that emits the flag changeset.
     */
    getFlags$(): Observable<FlagChangeset>;
    /**
     * Resets the specified flags.
     *
     * @param flags The flags to reset.
     */
    resetFlags(flags: FlagSet): void;
    enable(on: boolean): void;
    isEnabled$(): Observable<boolean>;
    private init;
    private waitForInitializationToFinish;
    static ɵfac: i0.ɵɵFactoryDeclaration<DebugFeaturesService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<DebugFeaturesService>;
}