import { type ProcessPort } from '../platform/process.js';
export declare const PACKAGE_NAME = "@sirtheo/claude-switch";
export interface UpdateInfo {
    latestVersion: string;
    installCommand: string;
    /** True when the installed version is BELOW the published `minsafe` tag —
     *  i.e. it carries a known security/data-loss bug. Callers escalate the
     *  notice (loud, persistent, shown even on the passthrough hot path).
     *  Fail-open: any uncertainty (no tag, fetch failure, parse error) → false. */
    critical: boolean;
}
/**
 * Returns the command array to update the package, based on how it is
 * currently installed (detected from the binary path).
 */
export declare function detectInstallCommand(): string[];
/**
 * Runs the detected install command with live stdio.
 * Returns true if the process exited successfully.
 */
export declare function performUpdate(deps?: {
    process?: ProcessPort;
}): boolean;
/**
 * Render the user-facing update notice, shared by the passthrough hot path and
 * the `claude switch` dispatcher so the two never drift. A `critical` update
 * (installed version below the minsafe tag) gets a loud, bold-red, can't-miss
 * banner; a routine update keeps the quiet one-liner. Colour is gated by the
 * caller (off when stderr isn't a TTY, or under --no-color / NO_COLOR), so
 * piped/scripted output stays clean.
 */
export declare function formatUpdateNotice(info: UpdateInfo, currentVersion: string, opts: {
    color: boolean;
}): string;