/**
 * Analytics Service
 *
 * Privacy-first analytics that tracks:
 * - Command usage patterns (local only)
 * - Model performance metrics
 * - Task completion rates
 * - Error frequencies
 *
 * All data stored locally, never sent to cloud
 */
export interface CommandUsage {
    command: string;
    timestamp: number;
    model?: string;
    success: boolean;
    durationMs?: number;
    errorType?: string;
}
export interface ModelPerformance {
    model: string;
    taskType: string;
    successCount: number;
    failureCount: number;
    avgDurationMs: number;
    lastUsed: number;
}
export interface AnalyticsSummary {
    totalCommands: number;
    commandFrequency: Record<string, number>;
    modelUsage: Record<string, number>;
    successRate: number;
    averageResponseTime: number;
    mostUsedCommand: string;
    mostUsedModel: string;
    topPerformingModels: ModelPerformance[];
}
export declare class AnalyticsService {
    private store;
    private readonly MAX_EVENTS;
    private readonly STORE_NAME;
    constructor();
    /**
     * Track a command execution
     */
    trackCommand(usage: CommandUsage): void;
    /**
     * Update model performance metrics
     */
    private updateModelPerformance;
    /**
     * Infer task type from command
     */
    private inferTaskType;
    /**
     * Get analytics summary
     */
    getSummary(): AnalyticsSummary;
    /**
     * Get model recommendations based on performance
     */
    getModelRecommendation(taskType: string): string | null;
    /**
     * Get events for last N days
     */
    getRecentEvents(days?: number): CommandUsage[];
    /**
     * Clear all analytics data
     */
    clear(): void;
    /**
     * Enable/disable analytics
     */
    setEnabled(enabled: boolean): void;
    /**
     * Check if analytics is enabled
     */
    isEnabled(): boolean;
    /**
     * Export analytics data
     */
    export(): string;
}
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