import type { LanguageModelPricing, ModelTokensDetails, ModelUsage } from "./types.ts";
export declare function calculateCost(usage: ModelUsage, pricing: LanguageModelPricing): number;
export declare function sumModelUsage(usages: ModelUsage[]): ModelUsage;
export declare function sumModelTokensDetails(detailsArr: ModelTokensDetails[]): ModelTokensDetails;