/**
 * Opt-in telemetry writer for openlore.
 *
 * Gate: OPENLORE_TELEMETRY=1 (disabled by default).
 * Writes append-only JSONL to .openlore/telemetry/<domain>.jsonl.
 * Never throws — telemetry must not crash the hot path.
 *
 * Rotation: when a domain file exceeds ROTATE_THRESHOLD_BYTES, it is renamed
 * to <domain>.1.jsonl and older rotated files shifted (keeps MAX_ROTATED_FILES).
 */
/** Number of rotated archive files kept per domain (`<domain>.1.jsonl` … `<domain>.N.jsonl`).
 *  Exported so readers that must span rotation (e.g. the panic accuracy gate) stay in lockstep. */
export declare const MAX_ROTATED_FILES = 5;
/**
 * Emit a telemetry event to .openlore/telemetry/<domain>.jsonl.
 *
 * @param directory  - project root (must be absolute)
 * @param domain     - log file name without extension (e.g. 'mcp', 'cache', 'epistemic-lease')
 * @param payload    - arbitrary fields merged with the timestamp
 */
export declare function emit(directory: string, domain: string, payload: Record<string, unknown>): void;
//# sourceMappingURL=telemetry.d.ts.map