import type { FileSizeOptions, FileSizeParts, FileSizeStandard, NonNegativeNumber } from '../_types/global.js';
type UnitTable = {
    base: number;
    short: string[];
    long: string[];
};
export declare function resolveUnitTable(standard: FileSizeStandard | undefined): UnitTable;
export declare function unitLabel(table: UnitTable, exponent: number, unitDisplay: string | undefined, value: number): string;
export declare function sizeExponent(bytes: number, base: number, unitCount: number): number;
export declare function fileSizeParts<N extends number>(bytes: NonNegativeNumber<N>, options?: FileSizeOptions): FileSizeParts;
export {};