import { type InstallMethod, type SecretRequester, type UpdateProgress } from "./update-install.js";
export declare const UPDATE_CHECK_INTERVAL_MS: number;
export declare function getCurrentVersion(): string;
/** Latest published version without the leading `v`, or undefined if unknown. */
export declare function fetchLatestVersion(): Promise<string | undefined>;
/** Why an update check cannot run right now, if it cannot. */
export declare function updateCheckDisabledReason(): string | undefined;
/** Non-blocking startup check — prints a notice if a new version exists */
export declare function checkForUpdateSilent(): void;
/** Resolve how this installation was put on the machine (npm/bun/brew/…). */
export declare function detectInstallMethodOrDev(): Promise<InstallMethod>;
/** Download and install the given version using the detected method. */
export declare function installUpdate(version: string, log?: (line: string) => void, stdio?: "inherit" | "pipe", onProgress?: (progress: UpdateProgress) => void, signal?: AbortSignal, requestSecret?: SecretRequester): Promise<{
    ok: boolean;
    message: string;
    method: string;
    needsRestart: boolean;
}>;
/** Interactive `clai update` command — performs the upgrade in-process. */
export declare function runUpdate(): Promise<void>;