import { type FileSystem } from "../../src/platform/index.js";
import { type HostRuntime } from "../../src/platform/compat/process/host-runtime.js";
export declare const UPDATE_REGISTRY_URL = "https://registry.npmjs.org/veryfront/latest";
export declare const UPDATE_INSTALL_COMMAND = "npm install -g veryfront@latest";
interface UpdateCacheLocation {
    directory: string;
    file: string;
}
type UpdateCheckFileSystem = Pick<FileSystem, "readTextFile" | "mkdir" | "writeTextFile">;
type UpdateCheckFetcher = (input: string | URL | Request, init?: RequestInit) => Promise<Response>;
export interface UpdateCheckOptions {
    shouldSkip?: () => boolean;
    cacheLocation?: UpdateCacheLocation | null;
    fileSystem?: UpdateCheckFileSystem;
    fetcher?: UpdateCheckFetcher;
    now?: () => number;
    printNotice?: (current: string, latest: string) => void;
    debug?: (message: string) => void;
}
export declare function compareVersions(current: string, latest: string): boolean;
export declare function shouldSkip(host?: HostRuntime): boolean;
export declare function getUpdateInstallCommand(context?: {
    standalone: boolean;
    executablePath: string;
}): string;
export declare function checkForUpdates(currentVersion: string, options?: UpdateCheckOptions): Promise<void>;
export {};
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