import type { AxiosInstance } from 'axios';
import type { SpawnSyncReturns } from 'child_process';
export declare class PackageNotFoundError extends Error {
    constructor(message: string);
}
interface CheckVersionOptions {
    axios: AxiosInstance;
    spawnSync: (command: string, args: string[]) => SpawnSyncReturns<Buffer>;
    currentVersion: string;
    update?: boolean;
}
export declare function checkVersion({ axios, spawnSync, currentVersion, update, }: CheckVersionOptions): Promise<string | undefined>;
export {};
//# sourceMappingURL=checkVersion.d.ts.map