import * as childProcess from "node:child_process";
import type { CliSurface } from "./cli.js";
export interface UpdateCheckCache {
    checkedAt: string;
    currentVersion: string;
    latestVersion: string;
}
export interface UpdateStatus {
    currentVersion: string;
    latestVersion: string | null;
    updateAvailable: boolean;
    cachePath: string;
}
interface UpdateStatusOptions {
    bypassCache?: boolean;
}
export interface UpdatePlan {
    mode: "auto" | "manual";
    command: string;
    reason: string | null;
}
declare function resolveUpdateCachePath(): string;
declare function compareVersions(a: string, b: string): number;
declare function readUpdateCache(): UpdateCheckCache | null;
declare function shouldSkipUpdateCheck(argv: string[], surface: CliSurface): boolean;
export declare function getUpdateStatus(options?: UpdateStatusOptions): Promise<UpdateStatus | null>;
export declare function detectUpdatePlan(argv0?: string): UpdatePlan;
export declare function runUpdateCommand(checkOnly: boolean): Promise<number>;
export declare function maybePrintUpdateNotice(argv: string[], surface: CliSurface): Promise<void>;
export declare const updateCheckInternals: {
    compareVersions: typeof compareVersions;
    readUpdateCache: typeof readUpdateCache;
    resolveUpdateCachePath: typeof resolveUpdateCachePath;
    shouldSkipUpdateCheck: typeof shouldSkipUpdateCheck;
    detectUpdatePlan: typeof detectUpdatePlan;
    runtime: {
        spawn: typeof childProcess.spawn;
        execFileSync: typeof childProcess.execFileSync;
        moduleRoot: string;
    };
};
export {};
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