export declare function roundToOneDecimal(value: number): number;
/** Display with exactly one decimal digit (e.g. 100 → "100.0", 100.99 → "101.0"). */
export declare function formatOneDecimal(value: number): string;
export declare function round2(value: number): number;
export declare function format2Decimals(value: number): string;
/** Round to nearest whole number (fraction >= 0.5 rounds up). */
export declare function roundToWholeNumber(value: number): number;
export declare function formatWholeNumber(value: number): string;
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