import { Payload } from './updateSegment/generated-types';
import { YahooPayload } from './types';
export declare function create_hash(input: string | undefined): string | undefined;
export declare function generate_jwt(client_id: string, client_secret: string): string;
export declare function validate_phone(phone: string): string;
export declare function gen_update_segment_payload(payloads: Payload[]): YahooPayload;
