export declare function normalizePhoneNumber(rawPhone?: string | null): string;
export declare function getPhoneNumberVariants(rawPhone?: string | null): string[];
export declare function isSystemPhoneNumber(phone?: string | null): boolean;
export declare function isBusinessContactPhone(phone: string | null | undefined, prisma: any, excludeBusinessId?: string): Promise<boolean>;
export declare function isReservedOrMerchantPhone(phone: string | null | undefined, prisma: any): Promise<{
    isBlocked: boolean;
    reason?: string;
}>;