export declare const BYTES_PER_TOKEN = 4;
export declare const ESTIMATED_TOKENS_PER_LINE = 4;
export declare const ESTIMATED_PROMPT_OVERHEAD_TOKENS = 900;
export declare const ESTIMATED_ITEM_OVERHEAD_TOKENS = 600;
/**
 * Estimate tokens from a raw byte count. Non-finite or non-positive inputs
 * estimate to zero so missing `size_bytes` never inflates a budget.
 */
export declare function estimateTokensFromBytes(bytes: number): number;
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