import type { JsonRpcProvider } from '@ethersproject/providers';
import { AbiItem, EIP712TypedData, ProviderConnector } from '@1inch/permit-signed-approvals-utils';
import { Wallet } from '@ethersproject/wallet';
import { AbiInput } from 'web3-utils';
export declare class PermitProviderConnector implements ProviderConnector {
    private provider;
    private walletSigner?;
    constructor(provider: JsonRpcProvider, walletSigner?: Wallet | undefined);
    private getContract;
    contractEncodeABI(abi: AbiItem[], address: string | null, methodName: string, methodParams: unknown[]): string;
    signTypedData(_walletAddress: string, typedData: EIP712TypedData, _typedDataHash: string): Promise<string>;
    ethCall(contractAddress: string, callData: string): Promise<string>;
    decodeABIParameter<T>(type: string, hex: string): T;
    decodeABIParameters<T>(types: AbiInput[], hex: string): T;
}