import { providers, Contract } from 'ethers';
import { IWalletContractServiceStrategy } from './WalletContractService';
import { RelayerRequest } from '@unilogin/commons';
export declare class GnosisSafeService implements IWalletContractServiceStrategy {
    private provider;
    private contract?;
    constructor(provider: providers.Provider);
    getContractInstance(walletAddress: string): Contract;
    lastNonce(walletAddress: string): Promise<number>;
    keyExist(walletAddress: string, key: string): any;
    requiredSignatures(walletAddress: string): any;
    signMessage(privateKey: string, message: Uint8Array, walletAddress?: string): string;
    getOwners(walletAddress: string): Promise<string[]>;
    encodeFunction(method: string, args?: any[], walletAddress?: string): Promise<string>;
    getEventNameFor(event: string): "AddedOwner" | "RemovedOwner";
    signRelayerRequest(privateKey: string, relayerRequest: RelayerRequest): RelayerRequest;
}
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