import { LanguageModelUsage } from 'ai';
export interface AiCallUsage {
    provider: string;
    model: string;
    inputTokens: number;
    outputTokens: number;
    totalTokens: number;
    reasoningTokens?: number;
    cachedInputTokens?: number;
    estimatedCost: number;
    durationMs: number;
}
export interface ModelPricing {
    inputPer1MTokens: number;
    outputPer1MTokens: number;
    reasoningPer1MTokens?: number;
    cachedInputPer1MTokens?: number;
}
export declare class AiUsageTracker {
    private calls;
    addCall(call: AiCallUsage): void;
    getCalls(): AiCallUsage[];
    getTotalCost(): number;
    getTotalTokens(): {
        input: number;
        output: number;
        reasoning: number;
        total: number;
    };
    getSummary(): string;
    static findPricing(model: string): ModelPricing | undefined;
    static estimateCost(model: string, usage: LanguageModelUsage): number;
}
//# sourceMappingURL=ai-usage-tracker.d.ts.map