export interface ModelPricing {
    input: number;
    cachedInput: number;
    output: number;
}
export declare const MODEL_PRICING: Record<string, ModelPricing>;
export declare function getPricing(model: string | null | undefined): ModelPricing;
export declare function calculateCost(inputTokens: number, outputTokens: number, model: string | null | undefined, cachedInputTokens?: number): number;
export declare function resolveCost(costUsd: number | undefined, inputTokens: number | undefined, outputTokens: number | undefined, cachedInputTokens: number | undefined, model: string | null | undefined): number;