/**
 * Analytics-related type definitions for NeuroLink
 * Comprehensive usage tracking, performance metrics, and cost analysis types
 */
import type { JsonValue, UnknownRecord } from "./common.js";
/**
 * Token usage information (consolidated from multiple sources)
 */
export type TokenUsage = {
    input: number;
    output: number;
    total: number;
    cacheCreationTokens?: number;
    cacheReadTokens?: number;
    reasoning?: number;
    cacheSavingsPercent?: number;
};
/**
 * Error info type for analytics
 */
export type AnalyticsErrorInfo = {
    message: string;
    code?: string | number;
    stack?: string;
    details?: UnknownRecord;
};
/**
 * Analytics data structure (consolidated from core analytics)
 */
export type AnalyticsData = {
    provider: string;
    model?: string;
    tokenUsage: TokenUsage;
    requestDuration: number;
    timestamp: string;
    cost?: number;
    context?: JsonValue;
};
/**
 * Stream Analytics Data - Enhanced for performance tracking
 */
export type StreamAnalyticsData = {
    /** Tool execution results with timing */
    toolResults?: Promise<Array<unknown>>;
    /** Tool calls made during stream */
    toolCalls?: Promise<Array<unknown>>;
    /** Stream performance metrics */
    performance?: {
        startTime: number;
        endTime?: number;
        chunkCount: number;
        avgChunkSize: number;
        totalBytes: number;
    };
    /** Provider analytics */
    providerAnalytics?: AnalyticsData;
};
export type PerformanceMetrics = {
    startTime: number;
    endTime?: number;
    duration?: number;
    memoryStart: NodeJS.MemoryUsage;
    memoryEnd?: NodeJS.MemoryUsage;
    memoryDelta?: {
        rss: number;
        heapTotal: number;
        heapUsed: number;
        external: number;
    };
};