/**
 * Copyright: (c) Myia SAS 2026.
 * This file and its contents are licensed under the AGPLv3 License.
 * Please see the LICENSE file at the root of this repository
 */
export declare const log: {
    /**
     * Real failure the user should see by default. Always written to
     * stderr.
     */
    error(msg: string, err?: unknown): void;
    /**
     * Best-effort failure that the tracer recovered from. Only
     * written to stderr when `HEAL_DEBUG=1`.
     */
    warn(msg: string, err?: unknown): void;
};
