import type { $Record } from '../object/types';
import type { Numeric } from '../types/index';
import { $BaseConverter } from './base';
import type { $DataUnit, FormatToOptions } from './types';
/**
 * @class DataConverter
 * @description Handles conversions with smart `.to()`, `.toAll()`, and `.formatTo()`.
 */
export declare class $Data extends $BaseConverter<$DataUnit> {
    #private;
    /**
     * Convert data value to other data units
     * @param value Number or numeric string value to convert.
     * @param unit Base data unit for the provided value.
     */
    constructor(value: Numeric, unit: $DataUnit);
    /**
     * @instance Converts to target data unit.
     * @param target Target data unit.
     */
    to(target: $DataUnit): number;
    /**
     * @instance Converts to all data units.
     * @returns Object with all unit conversions.
     */
    toAll(): $Record<$DataUnit, number>;
    /**
     * @instance Formats the converted value.
     * @param target Target data unit.
     * @param options Formatting options.
     * @returns Formatted string like "256MB", "256 megabytes", or "2.56e+2 MB".
     */
    formatTo(target: $DataUnit, options?: FormatToOptions): string;
}