import Big from 'big.js';
import type { DecimalSeparator } from '../types/decimal-separator';
export declare const toNumber: <T extends string | null>(value: T) => T extends null ? null : number;
export declare const truncate: (value: number, decimalPlaces: number) => Big;
export declare const replaceDecimalSeparator: <T extends string | null>(string: T, decimalSeparator: DecimalSeparator) => T extends null ? null : string;
export declare const toFixedPrecisionString: (string: string | null, decimalPlaces: number) => string | null;