import { IMonthlySubscriptionPlanService, TVirtualChainSubscriptionExtensionPayload, TVirtualChainSubscriptionPayload } from "./IMonthlySubscriptionPlanService";
import Web3 from "web3";
import { PromiEvent, TransactionReceipt } from "web3-core";
export declare class MonthlySubscriptionPlanService implements IMonthlySubscriptionPlanService {
    private web3;
    private monthlySubscriptionPlanContractAddress;
    private monthlySubscriptionContract;
    constructor(web3: Web3, monthlySubscriptionPlanContractAddress?: string);
    get contractAddress(): string;
    createANewVC(vcSubscriptionPayload: TVirtualChainSubscriptionPayload): PromiEvent<TransactionReceipt>;
    extendSubscription(virtualChainSubscriptionExtensionPayload: TVirtualChainSubscriptionExtensionPayload): PromiEvent<TransactionReceipt>;
    setFromAccount(defaultAccountAddress: string): void;
    readMonthlyRateInFullOrbs(): Promise<number>;
    readTier(): Promise<string>;
}