export declare const UPGRADE_COMMAND = "npm install -g @agents-dev/cli@latest";
type UpdateSource = 'network' | 'cache' | 'cache-stale' | 'unavailable';
export interface UpdateStatus {
    currentVersion: string;
    latestVersion: string | null;
    isOutdated: boolean;
    upgradeCommand: string;
    checkedAt: string;
    source: UpdateSource;
    error?: string;
}
export interface CheckForUpdatesOptions {
    currentVersion: string;
    projectRoot?: string;
    forceRefresh?: boolean;
    timeoutMs?: number;
    fetchRetries?: number;
    markNotifiedIfOutdated?: boolean;
}
export declare function checkForUpdates(options: CheckForUpdatesOptions): Promise<UpdateStatus>;
export declare function maybeNotifyAboutUpdate(args: {
    currentVersion: string;
    projectRoot?: string;
}): Promise<void>;
export {};