/**
 * Model pricing and cost computation for the dashboard.
 *
 * Maintains per-model pricing tables and computes costs from token counts.
 * Prices are in USD per million tokens.
 *
 * @module
 */
import type { RunLog } from '../ai/types.js';
/** Pricing per million tokens for a model */
export interface ModelPricing {
    /** Cost per 1M input tokens */
    inputPerM: number;
    /** Cost per 1M output tokens */
    outputPerM: number;
    /** Cost per 1M cache read tokens (typically discounted) */
    cacheReadPerM: number;
    /** Cost per 1M cache write/creation tokens */
    cacheWritePerM: number;
}
/** Cost breakdown for a run or entry */
export interface CostBreakdown {
    /** Input token cost */
    inputCost: number;
    /** Output token cost */
    outputCost: number;
    /** Cache read cost */
    cacheReadCost: number;
    /** Cache write cost */
    cacheWriteCost: number;
    /** Total cost */
    totalCost: number;
}
/**
 * Look up pricing for a model identifier.
 *
 * Tries exact match first, then partial match (model ID contains the key
 * or key contains the model ID). Falls back to default pricing.
 *
 * @param model - Model identifier from the run log
 * @returns Pricing data for the model
 */
export declare function getModelPricing(model: string): ModelPricing;
/**
 * Compute cost breakdown from token counts and model pricing.
 */
export declare function computeCost(inputTokens: number, outputTokens: number, cacheReadTokens: number, cacheWriteTokens: number, pricing: ModelPricing): CostBreakdown;
/**
 * Compute cost for an entire run log using per-entry model pricing.
 *
 * Uses the model from each entry (not the run-level model) for accuracy,
 * since individual entries report the actual model used.
 */
export declare function computeRunCost(runLog: RunLog): CostBreakdown;
/**
 * Format a cost value as a dollar string.
 */
export declare function formatCost(cost: number): string;
/**
 * Format a token count with K/M suffix for readability.
 */
export declare function formatTokens(count: number): string;
/**
 * Format a duration in ms to human-readable string.
 */
export declare function formatDuration(ms: number): string;
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