/**
 * Privacy-respecting telemetry for GitMem
 *
 * - Opt-in only (disabled by default)
 * - No PII (queries, scars, project names, IPs)
 * - Transparent (local logs visible before sending)
 * - Anonymous (random session IDs, not persistent)
 * - Controllable (enable/disable/show/clear)
 */
export declare class Telemetry {
    private configPath;
    private logPath;
    private config;
    private version;
    constructor(gitmemDir: string, version: string);
    /**
     * Load telemetry config from disk
     */
    private loadConfig;
    /**
     * Save config to disk
     */
    private saveConfig;
    /**
     * Generate random session ID (8 hex chars, not persistent)
     */
    private generateSessionId;
    /**
     * Check if telemetry is enabled
     */
    isEnabled(): boolean;
    /**
     * Enable telemetry (user consent)
     */
    enable(): void;
    /**
     * Disable telemetry
     */
    disable(): void;
    /**
     * Log an event (always writes to local log, sends if enabled)
     */
    track(eventData: {
        event: string;
        tool?: string;
        success?: boolean;
        duration_ms?: number;
        result_count?: number;
        error_type?: string;
        mcp_host?: string;
    }): Promise<void>;
    /**
     * Write event to local log file
     */
    private logToFile;
    /**
     * Send event to telemetry endpoint (background, non-blocking)
     */
    private sendEvent;
    /**
     * Detect tier (free vs pro)
     */
    private detectTier;
    /**
     * Get telemetry status for CLI display
     */
    getStatus(): {
        enabled: boolean;
        session_id: string;
        event_count: number;
        consent_version: string;
        consented_at?: string;
    };
    /**
     * Get recent events for CLI display
     */
    getRecentEvents(limit?: number): string[];
    /**
     * Clear local telemetry log
     */
    clearLog(): void;
    /**
     * Format event for human-readable display
     */
    static formatEvent(eventJson: string): string;
}
export declare function getTelemetry(gitmemDir: string, version: string): Telemetry;
/**
 * Track a tool call
 */
export declare function trackToolCall(args: {
    gitmemDir: string;
    version: string;
    tool: string;
    success: boolean;
    duration_ms: number;
    result_count?: number;
    error_type?: string;
    mcp_host?: string;
}): Promise<void>;
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