import { BaseProviderTracker } from '../core/Provider.js';
import { UsageMetrics } from '../types/index.js';
export declare class OpenAITracker extends BaseProviderTracker {
    name: string;
    constructor(customCosts?: Record<string, {
        prompt: number;
        completion: number;
    }>);
    trackRequest(params: any): void;
    trackResponse(response: any): UsageMetrics;
}
export declare function trackOpenAI(client: any, options?: {
    context?: any;
    customCosts?: any;
}): any;
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