import { ContractInterface, InterfaceAbi, JsonRpcSigner } from "ethers";
export declare function shallowCopy<T>(object: T): T;
type InterceptorFn = (...args: any) => Promise<void>;
export declare class Web3ProviderExtras<EventTypes> {
    event: EventTypes;
    signer: () => JsonRpcSigner;
    readOnlySigner: () => JsonRpcSigner;
    beforeRequest: InterceptorFn;
    afterRequest: InterceptorFn;
    transactionState: (state: "started" | "rejected" | "waiting" | "done", ...args: any) => void;
    skipEvent: boolean;
    constructor(extras?: Web3ProviderExtras<EventTypes>);
}
export declare const Web3ContractProvider: <EventTypes, ContractFunctions>(addressOrName: string, contractInterface: InterfaceAbi, extras: Web3ProviderExtras<EventTypes>) => ContractFunctions & ContractInterface;
export {};