/**
 * Core analytics manager for tracking and aggregating token usage
 */
import type { AnalyticsEntry, AnalyticsStorage, HookAnalytics, ActionAnalytics, ServerAnalytics, HookPhase } from './analytics-types.js';
/**
 * Manager for tracking and analyzing token usage
 */
export declare class AnalyticsManager {
    private storage;
    constructor(storage?: AnalyticsStorage);
    /**
     * Track a single operation
     */
    track(entry: Omit<AnalyticsEntry, 'timestamp'>): Promise<void>;
    /**
     * Track a batch of operations
     */
    trackBatch(entries: Omit<AnalyticsEntry, 'timestamp'>[]): Promise<void>;
    /**
     * Get per-hook analytics breakdown
     */
    getHookAnalytics(options?: {
        startDate?: string;
        endDate?: string;
    }): Promise<HookAnalytics>;
    /**
     * Get per-action analytics breakdown
     */
    getActionAnalytics(options?: {
        startDate?: string;
        endDate?: string;
    }): Promise<ActionAnalytics>;
    /**
     * Get per-MCP-server analytics breakdown
     */
    getServerAnalytics(options?: {
        startDate?: string;
        endDate?: string;
    }): Promise<ServerAnalytics>;
    /**
     * Get all analytics entries with optional filters
     */
    getEntries(filters?: {
        hookPhase?: HookPhase;
        toolName?: string;
        mcpServer?: string;
        startDate?: string;
        endDate?: string;
        sessionId?: string;
    }): Promise<AnalyticsEntry[]>;
    /**
     * Clear all analytics data
     */
    clear(): Promise<void>;
    /**
     * Get total count of analytics entries
     */
    count(): Promise<number>;
    /**
     * Aggregate entries by hook phase
     */
    private aggregateByHook;
    /**
     * Aggregate entries by tool/action
     */
    private aggregateByAction;
    /**
     * Aggregate entries by MCP server
     */
    private aggregateByServer;
    /**
     * Calculate aggregated statistics for a group of entries
     */
    private calculateAggregatedStats;
    /**
     * Export analytics data as JSON
     */
    exportAsJson(filters?: {
        startDate?: string;
        endDate?: string;
        hookPhase?: HookPhase;
        toolName?: string;
        mcpServer?: string;
    }): Promise<string>;
    /**
     * Export analytics data as CSV
     */
    exportAsCsv(filters?: {
        startDate?: string;
        endDate?: string;
        hookPhase?: HookPhase;
        toolName?: string;
        mcpServer?: string;
    }): Promise<string>;
    /**
     * Close the underlying storage and flush any pending writes
     */
    close(): Promise<void>;
}
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