export declare class RequestLogger {
    private enabled;
    private logs;
    private maxLogs;
    constructor(enabled?: boolean);
    startRequest(provider: string, model: string, metadata?: Record<string, any>): RequestTracker;
    logRequest(log: RequestLog): void;
    getStats(provider?: string): RequestStats;
    clearLogs(): void;
    getRecentLogs(count?: number): RequestLog[];
}
export declare class RequestTracker {
    requestId: string;
    provider: string;
    model: string;
    metadata?: Record<string, any>;
    private startTime;
    constructor(provider: string, model: string, metadata?: Record<string, any>);
    end(success: boolean, tokensUsed?: number, error?: string): RequestLog;
    private generateRequestId;
}
export interface RequestLog {
    requestId: string;
    provider: string;
    model: string;
    timestamp: string;
    latencyMs: number;
    success: boolean;
    tokensUsed?: number;
    error?: string;
    metadata?: Record<string, any>;
}
export interface RequestStats {
    totalRequests: number;
    successfulRequests: number;
    failedRequests: number;
    averageLatency: number;
    totalTokensUsed: number;
    providerBreakdown: Record<string, ProviderStats>;
}
export interface ProviderStats {
    requests: number;
    avgLatency: number;
    tokens: number;
}
export declare function getRequestLogger(enabled?: boolean): RequestLogger;