//#region src/health/index.d.ts
export interface HealthCheckResult {
  status: 'healthy' | 'unhealthy';
  latency?: number | undefined;
  error?: string | undefined;
}
export interface HealthCheckDefinition {
  /**
   * Unique name for this health check.
   */
  name: string;
  /**
   * Performs the check. Throw or return an unhealthy result to fail;
   * returning void or completing without error means healthy.
   */
  check: () => Promise<HealthCheckResult | void> | HealthCheckResult | void;
  /**
   * Optional checks don't affect the ready probe.
   * @default false
   */
  optional?: boolean | undefined;
  /**
   * Maximum time in ms for the check to complete.
   * @default 5000
   */
  timeout?: number | undefined;
}
/**
 * Register a health check against the adapter's health server.
 *
 * No-op when no health runtime is active (dev mode, `health: false`), so boot
 * files can call it unconditionally. Returns an unregister function; checks
 * still registered after `onShutdown` are removed automatically.
 */
export declare function registerHealthCheck(definition: HealthCheckDefinition): () => void;
//#endregion
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