import { TypedEventTarget } from 'iso-web/event-target';
import type { Hex } from 'ox/Hex';
import { type Chain, type Client, type Transport, type TransportConfig, type WalletClient } from 'viem';
import { type Account } from 'viem/accounts';
import type { SessionKeyPermissions } from './permissions.ts';
export interface Secp256k1SessionKeyProps {
    privateKey: Hex;
    expiresAt: number | undefined;
    permissions: SessionKeyPermissions[];
}
export interface Secp256k1SessionKeyCreateOptions {
    privateKey?: Hex;
    expiresAt?: number;
    permissions?: SessionKeyPermissions[];
}
export declare class Secp256k1Key extends TypedEventTarget<WalletEvents> implements SessionKey {
    private privateKey;
    permissions: SessionKeyPermissions[];
    expiresAt: number | undefined;
    type: 'secp256k1';
    account: Account;
    private isConnecting;
    private isConnected;
    private connectPromise;
    constructor(props: Secp256k1SessionKeyProps);
    static create(options?: Secp256k1SessionKeyCreateOptions): Secp256k1Key;
    get connecting(): boolean;
    get connected(): boolean;
    connect(client: Client<Transport, Chain, Account>): Promise<void>;
    disconnect(): Promise<void>;
    refresh(client: Client<Transport, Chain, Account>): Promise<`0x${string}`>;
    isValid(client: Client<Transport, Chain, Account>, permission: SessionKeyPermissions): Promise<boolean>;
    client(chain: Chain, transportConfig?: TransportConfig): WalletClient<Transport, Chain, Account>;
}
export type WalletEvents = {
    connected: CustomEvent<Account>;
    disconnected: CustomEvent<void>;
    connectHash: CustomEvent<Hex>;
    error: CustomEvent<Error>;
};
export interface SessionKey extends TypedEventTarget<WalletEvents> {
    readonly connecting: boolean;
    readonly connected: boolean;
    readonly account: Account | undefined;
    readonly type: 'secp256k1';
    connect: (client: Client<Transport, Chain, Account>) => Promise<void>;
    disconnect: () => Promise<void>;
    refresh: (client: Client<Transport, Chain, Account>) => Promise<Hex>;
    isValid: (client: Client<Transport, Chain, Account>, permission: SessionKeyPermissions) => Promise<boolean>;
    client: (chain: Chain, transportConfig?: TransportConfig) => WalletClient<Transport, Chain, Account>;
}
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