import { BigNumberable, SendOptions, TxResult } from '../lib/types';
import { Contracts } from './Contracts';
import { Token } from './Token';
/**
 * Client module for interacting with the WETH9 token contract.
 */
export declare class Weth extends Token {
    private weth;
    constructor(contracts: Contracts);
    get address(): string;
    wrap(amount: BigNumberable, options?: SendOptions): Promise<TxResult>;
    unwrap(amount: BigNumberable, options?: SendOptions): Promise<TxResult>;
}