import { IERC20, ITransactionRequestConfig } from "../interfaces";
import { BaseToken } from "./base_token";
export declare class ERC20 extends BaseToken implements IERC20 {
    constructor(tokenAddress: string, contractName?: string);
    getDecimals(): Promise<string>;
    getTotalSupply<T>(): Promise<any>;
    getAllowance<T>(owner: string, spender: string): Promise<any>;
    getBalance<T>(userAdddress: string): Promise<any>;
    approve(spender: string, amount: any, tx?: ITransactionRequestConfig): import("..").TYPE_TRANSACTION_WRITE_RESULT;
    transfer(to: string, amount: any, tx?: ITransactionRequestConfig): import("..").TYPE_TRANSACTION_WRITE_RESULT;
    transferFrom(from: string, to: string, amount: any, tx?: ITransactionRequestConfig): import("..").TYPE_TRANSACTION_WRITE_RESULT;
    increaseAllowance(spender: string, addedValue: any, tx?: ITransactionRequestConfig): import("..").TYPE_TRANSACTION_WRITE_RESULT;
    decreaseAllowance(spender: string, subtractedValue: any, tx?: ITransactionRequestConfig): import("..").TYPE_TRANSACTION_WRITE_RESULT;
}