import { Action } from '../../Action';
import { EthAddress, uint256 } from '../../types';
/**
 * Approve a spender to pull tokens from DSProxy
 *
 * @category BasicActions
 */
export declare class ApproveTokenAction extends Action {
    /**
     * @param token Token address
     * @param spender Address getting allowance to pull tokens from proxy
     * @param amount Allowance amount
     */
    constructor(token: EthAddress, spender: EthAddress, amount: uint256);
    getAssetsToApprove(): Promise<never[]>;
}