import BN from "bn.js";
export default class WTON {
    private static _instance;
    private static _address;
    private _contract;
    private constructor();
    static instance(): WTON;
    static setNetwork(net: string): void;
    static get address(): string;
    totalSupply(): Promise<BN>;
    balanceOf(account: string): Promise<BN>;
    wtonBalanceOfDepositManager(): Promise<string>;
}