import type { BaseContract, BigNumberish, BytesLike, FunctionFragment, Result, Interface, AddressLike, ContractRunner, ContractMethod, Listener } from "ethers";
import type { TypedContractEvent, TypedDeferredTopicFilter, TypedEventLog, TypedListener, TypedContractMethod } from "../../common";
export declare namespace IPermit2 {
    type PackedAllowanceStruct = {
        amount: BigNumberish;
        expiration: BigNumberish;
        nonce: BigNumberish;
    };
    type PackedAllowanceStructOutput = [
        amount: bigint,
        expiration: bigint,
        nonce: bigint
    ] & {
        amount: bigint;
        expiration: bigint;
        nonce: bigint;
    };
    type PermitDetailsStruct = {
        token: AddressLike;
        amount: BigNumberish;
        expiration: BigNumberish;
        nonce: BigNumberish;
    };
    type PermitDetailsStructOutput = [
        token: string,
        amount: bigint,
        expiration: bigint,
        nonce: bigint
    ] & {
        token: string;
        amount: bigint;
        expiration: bigint;
        nonce: bigint;
    };
    type PermitSingleStruct = {
        details: IPermit2.PermitDetailsStruct;
        spender: AddressLike;
        sigDeadline: BigNumberish;
    };
    type PermitSingleStructOutput = [
        details: IPermit2.PermitDetailsStructOutput,
        spender: string,
        sigDeadline: bigint
    ] & {
        details: IPermit2.PermitDetailsStructOutput;
        spender: string;
        sigDeadline: bigint;
    };
}
export interface IPermit2Interface extends Interface {
    getFunction(nameOrSignature: "allowance" | "approve" | "permit" | "transferFrom"): FunctionFragment;
    encodeFunctionData(functionFragment: "allowance", values: [AddressLike, AddressLike, AddressLike]): string;
    encodeFunctionData(functionFragment: "approve", values: [AddressLike, AddressLike, BigNumberish, BigNumberish]): string;
    encodeFunctionData(functionFragment: "permit", values: [AddressLike, IPermit2.PermitSingleStruct, BytesLike]): string;
    encodeFunctionData(functionFragment: "transferFrom", values: [AddressLike, AddressLike, BigNumberish, AddressLike]): string;
    decodeFunctionResult(functionFragment: "allowance", data: BytesLike): Result;
    decodeFunctionResult(functionFragment: "approve", data: BytesLike): Result;
    decodeFunctionResult(functionFragment: "permit", data: BytesLike): Result;
    decodeFunctionResult(functionFragment: "transferFrom", data: BytesLike): Result;
}
export interface IPermit2 extends BaseContract {
    connect(runner?: ContractRunner | null): IPermit2;
    waitForDeployment(): Promise<this>;
    interface: IPermit2Interface;
    queryFilter<TCEvent extends TypedContractEvent>(event: TCEvent, fromBlockOrBlockhash?: string | number | undefined, toBlock?: string | number | undefined): Promise<Array<TypedEventLog<TCEvent>>>;
    queryFilter<TCEvent extends TypedContractEvent>(filter: TypedDeferredTopicFilter<TCEvent>, fromBlockOrBlockhash?: string | number | undefined, toBlock?: string | number | undefined): Promise<Array<TypedEventLog<TCEvent>>>;
    on<TCEvent extends TypedContractEvent>(event: TCEvent, listener: TypedListener<TCEvent>): Promise<this>;
    on<TCEvent extends TypedContractEvent>(filter: TypedDeferredTopicFilter<TCEvent>, listener: TypedListener<TCEvent>): Promise<this>;
    once<TCEvent extends TypedContractEvent>(event: TCEvent, listener: TypedListener<TCEvent>): Promise<this>;
    once<TCEvent extends TypedContractEvent>(filter: TypedDeferredTopicFilter<TCEvent>, listener: TypedListener<TCEvent>): Promise<this>;
    listeners<TCEvent extends TypedContractEvent>(event: TCEvent): Promise<Array<TypedListener<TCEvent>>>;
    listeners(eventName?: string): Promise<Array<Listener>>;
    removeAllListeners<TCEvent extends TypedContractEvent>(event?: TCEvent): Promise<this>;
    allowance: TypedContractMethod<[
        user: AddressLike,
        token: AddressLike,
        spender: AddressLike
    ], [
        IPermit2.PackedAllowanceStructOutput
    ], "view">;
    approve: TypedContractMethod<[
        token: AddressLike,
        spender: AddressLike,
        amount: BigNumberish,
        expiration: BigNumberish
    ], [
        void
    ], "nonpayable">;
    permit: TypedContractMethod<[
        owner: AddressLike,
        permitSingle: IPermit2.PermitSingleStruct,
        signature: BytesLike
    ], [
        void
    ], "nonpayable">;
    transferFrom: TypedContractMethod<[
        user: AddressLike,
        spender: AddressLike,
        amount: BigNumberish,
        token: AddressLike
    ], [
        void
    ], "nonpayable">;
    getFunction<T extends ContractMethod = ContractMethod>(key: string | FunctionFragment): T;
    getFunction(nameOrSignature: "allowance"): TypedContractMethod<[
        user: AddressLike,
        token: AddressLike,
        spender: AddressLike
    ], [
        IPermit2.PackedAllowanceStructOutput
    ], "view">;
    getFunction(nameOrSignature: "approve"): TypedContractMethod<[
        token: AddressLike,
        spender: AddressLike,
        amount: BigNumberish,
        expiration: BigNumberish
    ], [
        void
    ], "nonpayable">;
    getFunction(nameOrSignature: "permit"): TypedContractMethod<[
        owner: AddressLike,
        permitSingle: IPermit2.PermitSingleStruct,
        signature: BytesLike
    ], [
        void
    ], "nonpayable">;
    getFunction(nameOrSignature: "transferFrom"): TypedContractMethod<[
        user: AddressLike,
        spender: AddressLike,
        amount: BigNumberish,
        token: AddressLike
    ], [
        void
    ], "nonpayable">;
    filters: {};
}