/**
 * Dev Server command - starts the local development server for OCP apps
 * This is a top-level command (no namespace decorator), so it runs as `ocp dev-server`
 */
export declare class DevServerCommand {
    port: number;
    config?: string;
    path?: string;
    verbose: boolean;
    noOpen: boolean;
    private PACKAGE_NAME;
    start(): Promise<void>;
    /**
     * Ensure @optimizely/ocp-local-env is installed globally and up-to-date.
     * Checks once per day and auto-installs or auto-upgrades as needed.
     */
    private ensureOcpLocalEnv;
    /**
     * Check if a package is installed globally and return its version.
     * @returns The installed version or null if not installed
     */
    private getInstalledVersion;
    /**
     * Get the latest version of a package from npm registry.
     * @returns The latest version or null if unavailable
     */
    private getLatestVersion;
    /**
     * Install or update a global npm package.
     * @param isUpgrade Whether this is an upgrade (affects success message)
     * @returns True if successful, false otherwise
     */
    private installGlobalPackage;
}