import type { Network, Provider } from "@ethersproject/providers";
import type { BigNumber, BytesLike, CallOverrides, Signer } from "ethers";
/**
 * A valid "ethers" Provider or Signer.
 * @public
 */
export declare type ProviderOrSigner = Provider | Signer;
/**
 * A valid "ethers" Provider, Signer or a Network object or url address to create a Provider with.
 * @public
 */
export declare type ValidProviderInput = ProviderOrSigner | Network | string;
/**
 * A JSON value
 * @public
 */
export declare type JSONValue = string | number | null | boolean | JSONValue[] | {
    [key: string]: JSONValue;
};
/**
 * A valid URI string or metadata object
 * @public
 */
export declare type MetadataURIOrObject = string | Record<string, any>;
/**
 * Forward Request Message that's used for gasless transaction
 * @public
 */
export declare type ForwardRequestMessage = {
    from: string;
    to: string;
    value: string;
    gas: string;
    nonce: string;
    data: BytesLike;
};
/**
 * EIP-2612 token permit message for gasless transaction
 * @public
 */
export declare type PermitRequestMessage = {
    to: string;
    owner: string;
    spender: string;
    value: number | string;
    nonce: number | string;
    deadline: number | string;
    v: number;
    r: string;
    s: string;
};
/**
 * transaction message contains information that's needed to execute a gasless transaction
 */
export interface GaslessTransaction {
    from: string;
    to: string;
    data: string;
    chainId: number;
    gasLimit: BigNumber;
    functionName: string;
    functionArgs: any[];
    callOverrides: CallOverrides;
}