import { LeadRepository } from '../repositories';
import { LeadUserWithToken } from '../types';
import { VerifyLeadResponseDTO } from '../models/dtos/verify-lead-response-dto.model';
export declare class LeadHelperService {
    private readonly leadRepository;
    constructor(leadRepository: LeadRepository);
    validateLead(id: string, leadUser: LeadUserWithToken): Promise<VerifyLeadResponseDTO>;
}