import { MobileOperator } from '../core/types';
export declare class PhoneValidator {
    private static readonly TANZANIA_PREFIX;
    private static readonly OPERATORS_MAP;
    static isValid(phoneNumber: string): boolean;
    static normalize(phoneNumber: string): string;
    static detectOperator(phoneNumber: string): MobileOperator | null;
    static getOperatorPrefix(operator: MobileOperator): string[];
}