/**
 * SQLite store for telemetry.db via drizzle-orm/node-sqlite + node:sqlite.
 *
 * Stores opt-in command telemetry in ~/.local/share/cleo/telemetry.db.
 * Follows the same singleton + WAL + migration pattern as memory-sqlite.ts.
 * Telemetry is disabled by default — check isTelemetryEnabled() before writing.
 *
 * @task T624
 */
import type { DatabaseSync } from 'node:sqlite';
import type { NodeSQLiteDatabase } from 'drizzle-orm/node-sqlite';
import * as telemetrySchema from '../store/schema/telemetry-schema.js';
/** Schema version. Single source of truth. */
export declare const TELEMETRY_SCHEMA_VERSION = "1.0.0";
/**
 * Get the absolute path to telemetry.db in the global CLEO home directory.
 * Linux: ~/.local/share/cleo/telemetry.db
 */
export declare function getTelemetryDbPath(): string;
/**
 * Resolve the absolute path to the drizzle-telemetry migrations folder inside
 * @cleocode/core, using ESM-native module resolution (T1177).
 *
 * Delegates to {@link resolveCorePackageMigrationsFolder} which handles
 * bundled dist/, workspace dev, and global-install layouts uniformly via
 * `import.meta.resolve()` + `createRequire().resolve()` fallback.
 */
export declare function resolveTelemetryMigrationsFolder(): string;
/**
 * Reset the singleton (used in tests).
 */
export declare function resetTelemetryDbState(): void;
/**
 * Return the raw `node:sqlite` handle for the open telemetry.db (or `null`
 * if not yet initialised). Exposed so the backup pipeline can issue
 * `PRAGMA wal_checkpoint(TRUNCATE)` + `VACUUM INTO` against the live
 * singleton without re-resolving the path or opening a second handle.
 *
 * Mirrors {@link getNexusNativeDb}, {@link getBrainNativeDb}, etc.
 *
 * @task T10317 — fleet snapshot coverage for every `DB_INVENTORY` entry
 *               (Saga T10281 / Epic T10284 / E3)
 */
export declare function getTelemetryNativeDb(): DatabaseSync | null;
/**
 * Initialize telemetry.db (lazy singleton).
 * Creates the file and runs migrations on first call.
 */
export declare function getTelemetryDb(): Promise<NodeSQLiteDatabase<typeof telemetrySchema>>;
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