import * as i0 from "@angular/core";
export declare class BlacklistService {
    private _blacklistedPhoneNumbers;
    constructor();
    initBlackListedPhoneNumbers(phoneNumbers: string[]): void;
    isPhoneNumberBlackListed(phoneNumber: string): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<BlacklistService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<BlacklistService>;
}