import { Address } from '@paraswap/core';
import { ICache } from '../dex-helper';
import { Interface } from '@ethersproject/abi';
import { MultiWrapper } from '../lib/multi-wrapper';
import { ConfigHelper } from '../config';
export declare class AugustusApprovals {
    protected multiWrapper: MultiWrapper;
    erc20Interface: Interface;
    permit2Interface: Interface;
    private cache;
    protected network: number;
    protected augustusAddress: Address;
    protected augustusV6Address: Address | undefined;
    private readonly cacheApprovesKey;
    constructor(config: ConfigHelper, cache: ICache, multiWrapper: MultiWrapper);
    hasApproval(spender: Address, token: Address, target: Address, permit2?: boolean): Promise<boolean>;
    hasApprovals(spender: Address, tokenTargetMapping: [token: Address, target: Address, permit2: boolean][]): Promise<boolean[]>;
    private addCachedApprovals;
    private setCachedApprovals;
    private getOnChainApprovals;
    private addOnChainApprovals;
    private createCacheKey;
    private splitCacheKey;
    private filterKeys;
}