import BigNumber from 'bignumber.js';
import { strip, float2Fixed, digitLength } from './numberPrecision';
type RoundingModeConfig = 'up' | 'down' | 'ceil' | 'floor' | 'halfUp' | 'halfDown' | 'halfEven' | 'halfCeil' | 'halfFloor';
export interface OptionsConfig {
    useGrouping?: boolean;
    usePlus?: boolean;
    roundingMode?: RoundingModeConfig;
    minFractionDigits?: number;
    maxFractionDigits?: number;
}
type Value = BigNumber.Value | null | undefined;
export interface FormatFixedFractionOptions extends Omit<OptionsConfig, 'minFractionDigits' | 'maxFractionDigits'> {
    fractionDigits?: number;
}
export interface formatPercentOptions extends OptionsConfig {
    useUnit?: boolean;
}
declare const _default: {
    formatNumber: (value: Value, options?: OptionsConfig) => string;
    formatPercent: (value: Value, options?: formatPercentOptions) => string;
    formatFixedFraction: (value: Value, options?: FormatFixedFractionOptions) => string;
    BigNumber: typeof BigNumber;
    strip: typeof strip;
    plus: (...value: BigNumber.Value[]) => string;
    minus: (...value: BigNumber.Value[]) => string;
    times: (...value: BigNumber.Value[]) => string;
    divide: (...value: BigNumber.Value[]) => string;
    float2Fixed: typeof float2Fixed;
    digitLength: typeof digitLength;
    isLessThan: (value: BigNumber.Value, base: BigNumber.Value) => boolean;
    isLessThanOrEqualTo: (value: BigNumber.Value, base: BigNumber.Value) => boolean;
    isGreaterThan: (value: BigNumber.Value, base: BigNumber.Value) => boolean;
    isGreaterThanOrEqualTo: (value: BigNumber.Value, base: BigNumber.Value) => boolean;
};
export default _default;