export interface ModelPricing {
    inputPer1M: number;
    outputPer1M: number;
}
export interface TokenEstimate {
    inputTokens: number;
    outputTokens: number;
}
export declare const MODEL_PRICING: Record<string, ModelPricing>;
export declare const CLI_DEFAULT_MODEL: Record<string, string>;
/**
 * Normalize model ID to match MODEL_PRICING keys.
 * Handles common aliases and prefix variations.
 */
export declare function normalizeModel(model: string): string;
export declare function estimateTokensFromDuration(durationMs: number): TokenEstimate;
export declare function estimateCost(model: string, inputTokens: number, outputTokens: number): number;
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