import Web3 from "web3";
import { IGuardiansService, TGuardianInfoResponse, TGuardianRegistrationPayload, TGuardiansRegistrationContractMetadataKeys, TGuardianUpdatePayload } from "./IGuardiansService";
import { PromiEvent, TransactionReceipt } from "web3-core";
export declare class GuardiansService implements IGuardiansService {
    private web3;
    private guardiansRegistrationContract;
    constructor(web3: Web3, guardiansRegistrationAddress?: string);
    setFromAccount(address: string): void;
    isRegisteredGuardian(address: string): Promise<boolean>;
    readGuardianInfo(address: string): Promise<TGuardianInfoResponse>;
    readMetaDataKeys(): Promise<TGuardiansRegistrationContractMetadataKeys>;
    readGuardianDetailsPageUrl(address: string): Promise<string | null>;
    setGuardianDetailsPageUrl(detailsPageUrl: string): Promise<PromiEvent<TransactionReceipt>>;
    registerGuardian(guardianRegistrationPayload: TGuardianRegistrationPayload): PromiEvent<TransactionReceipt>;
    updateGuardianInfo(guardianUpdatePayload: TGuardianUpdatePayload): PromiEvent<TransactionReceipt>;
    unregisterGuardian(): PromiEvent<TransactionReceipt>;
}