/**
 * Offers to link the project to NestJS Observe right away, by running the
 * SDK's own `observe link` - which prints a code to approve in the dashboard
 * and writes the key pair into `.env`. Resolves whether it linked.
 *
 * Only where someone is there to approve it, and only when the installed SDK
 * ships the command: an older one, or `--skip-install`, falls back to the
 * printed next steps.
 */
export declare const offerObserveLink: (dir: string) => Promise<boolean>;
/**
 * The way to connect it later, for when the link didn't happen. `keysHint`
 * is the by-hand alternative, which depends on how the project was wired:
 * `nest new` puts placeholders in `ObserveModule.forRoot()`, while
 * `nest upgrade` reads the pair from the environment.
 */
export declare const printObservabilityNextSteps: (keysHint?: string) => void;
/** Whether the project's package.json lists `@nestjs/observe`. */
export declare const hasObserveDependency: (dir?: string) => boolean;