export declare const CLI_PACKAGE_NAME = "@nexusclawhq/cli";
export interface UpdateCheckResult {
    readonly current: string;
    readonly latest?: string;
    readonly outdated: boolean;
    readonly skipped?: string;
}
export declare function isUpdateCheckDisabled(env?: NodeJS.ProcessEnv): boolean;
export declare function fetchLatestCliVersion(options?: {
    registryUrl?: string;
    timeoutMs?: number;
}): Promise<string | undefined>;
export declare function checkForCliUpdate(options?: {
    currentVersion?: string;
    registryUrl?: string;
    timeoutMs?: number;
    now?: () => number;
    fetchLatest?: typeof fetchLatestCliVersion;
}): Promise<UpdateCheckResult>;
export declare function maybeWarnOutdatedCli(argv?: ReadonlyArray<string>, options?: {
    currentVersion?: string;
    fetchLatest?: typeof fetchLatestCliVersion;
}): Promise<void>;