import { type ServiceScope } from "./tui/commands.js";
export interface DetachedUpdateOptions {
    installSpec: string;
    configPath: string;
    parentPid: number;
    cliArgs: string[];
    nodeLoaderArgs?: string[];
    cwd: string;
    env: NodeJS.ProcessEnv;
    timeoutMs?: number;
}
export interface DetachedUpdateResult {
    started: boolean;
    scriptPath: string;
    logPath: string;
    pid?: number;
    message: string;
}
/** A manifest alone is not enough: only a process actually launched by its manager may rely on auto-restart. */
export declare function resolveManagedServiceScope(installedScope: ServiceScope | null, platform?: NodeJS.Platform, env?: NodeJS.ProcessEnv, pid?: number): ServiceScope | null;
export declare function resolveManagedServiceScopeCandidates(installedScopes: ServiceScope[], platform?: NodeJS.Platform, env?: NodeJS.ProcessEnv, pid?: number): ServiceScope | null;
export declare function isStableServiceEntrypoint(entrypoint: string | null, stableBin: string | null): boolean;
export declare function checkManagedServiceUpdatePreflight(): {
    ok: true;
} | {
    ok: false;
    message: string;
};
export declare function shouldUseSystemdRunForDetachedUpdate(serviceScope: ServiceScope | null): boolean;
/** Exported so the safety-critical update flow can be exercised without starting a detached process. */
export declare function buildDetachedUpdateHelperScript(opts: DetachedUpdateOptions, logPath: string, serviceScope: ServiceScope | null, updateUtilsPath?: string): string;
export declare function startDetachedUpdateHelper(opts: DetachedUpdateOptions): DetachedUpdateResult;
export declare function canUseDetachedUpdateHelper(): boolean;