export default class xVault {
    protocol: string;
    chainId: number;
    rpc: string;
    pk: string;
    assets?: any[];
    constructor(chainId: number, pk: string, assets?: any[]);
    approve(tokenName: string, amount: string): Promise<import("web3-core").TransactionReceipt | null>;
    deposit(tokenName: string, amount: string): Promise<import("web3-core").TransactionReceipt | null>;
    withdraw(tokenName: string, amount: string): Promise<import("web3-core").TransactionReceipt | null>;
    ppfs(tokenName: string): Promise<any>;
    shareBalance(tokenName: string): Promise<any>;
    filterToken(tokenName: string, network: number, protocol: string): any;
}