import type { $Record } from '../object/types';
import type { Numeric } from '../types/index';
import { $BaseConverter } from './base';
import type { $VolumeUnit, FormatToOptions } from './types';
/**
 * @class VolumeConverter
 * @description Handles conversions with smart `.to()`, `.toAll()`, and `.formatTo()`.
 */
export declare class $Volume extends $BaseConverter<$VolumeUnit> {
    #private;
    /**
     * Convert volume value to other volume units
     * @param value Number or numeric string value to convert.
     * @param unit Base volume unit for the provided value.
     */
    constructor(value: Numeric, unit: $VolumeUnit);
    /**
     * @instance Converts to target volume unit.
     * @param target Target volume unit.
     */
    to(target: $VolumeUnit): number;
    /**
     * @instance Converts to target volume unit.
     * @param target Target volume unit.
     */
    toAll(): $Record<$VolumeUnit, number>;
    /**
     * @instance Formats the converted value and unit.
     * @param target Target unit to format to.
     * @param options Formatting options.
     * @returns Formatted string like "5m³", "5.25 cubic-meters", or "5e+3 meter".
     */
    formatTo(target: $VolumeUnit, options?: FormatToOptions): string;
}