/**
 * Utility function for generating an install command for the user to run
 * to install an updated version of Shopify CLI.
 *
 * @returns A string with the command to run.
 */
export declare function cliInstallCommand(): string | undefined;
/**
 * Runs the CLI upgrade using the appropriate package manager.
 * Determines the install command and executes it.
 *
 * @throws AbortError if the package manager or command cannot be determined.
 */
export declare function runCLIUpgrade(): Promise<void>;
/**
 * Returns the version to auto-upgrade to, or undefined if auto-upgrade should be skipped.
 * Auto-upgrade is disabled by default and must be enabled via `shopify upgrade`.
 * Also skips for CI, pre-release versions, or when no newer version is available.
 *
 * @returns The version string to upgrade to, or undefined if no upgrade should happen.
 */
export declare function versionToAutoUpgrade(): string | undefined;
/**
 * Shows a daily upgrade-available warning for users who have not enabled auto-upgrade.
 * Skipped in CI and for pre-release versions. When auto-upgrade is enabled this is a no-op
 * because the postrun hook will handle the upgrade directly.
 */
export declare function warnIfUpgradeAvailable(): Promise<void>;
/**
 * Generates a message to remind the user to update the CLI.
 *
 * @param version - The version to update to.
 * @returns The message to remind the user to update the CLI.
 */
export declare function getOutputUpdateCLIReminder(version: string): string;
/**
 * Prompts the user to enable or disable automatic upgrades, then persists their choice.
 *
 * @returns Whether the user chose to enable auto-upgrade.
 */
export declare function promptAutoUpgrade(): Promise<boolean>;