/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
export declare const FETCH_TIMEOUT_MS = 5000;
export interface GitUpdateObject {
    message: string;
    update: {
        current: string;
        latest: string;
        type: string;
    };
}
/**
 * Check for updates by comparing current version with latest GitHub release
 */
export declare function checkForGitUpdates(): Promise<GitUpdateObject | null>;
/**
 * Get update instructions based on how the CLI was installed
 */
export declare function getGitUpdateInstructions(): string;