export declare type Options = {
    /**
     * format specification to pass to @link{formatNumber}
     */
    format?: string;
    /**
     * left padding to apply to numeric value
     */
    pad?: number;
    /**
     * Array of suffixes to use for large values (default: ['K', 'M', 'B', 'T', 'P', 'E', 'Z', 'Y'])
     */
    macro?: ArrayLike<string>;
    /**
     * Array of suffixed to use for small values (default: ['m', 'µ', 'n', 'p', 'f', 'a', 'z', 'y'])
     */
    micro?: ArrayLike<string>;
    /**
     * Multiplier for each level of suffixes (default: 1000)
     */
    unit?: number;
    /**
     * Number of digits after the decimal point to display
     */
    precision?: number;
};
/**
 * Abbreviate a number by adding a suffix for metric units (i.e. 1000 => 1K, .0001 = 1m)
 *
 * @param input The number to abbreviate
 * @param __namedParameters {@link MetricUnitOptions}
 */
export declare function metricUnits(input: number, { format, pad, macro, micro, unit, precision, }?: Options): string;
export default metricUnits;