import BigNumber from 'bignumber.js';
export declare const BN_TEN: BigNumber;
export interface NumberFormatter {
    (input: string, metadata?: Record<string, number>): string;
}
export declare const balanceFormatter: NumberFormatter;
export declare const PREDEFINED_FORMATTER: Record<string, NumberFormatter>;
export declare const toBNString: (input: string | number | BigNumber, decimal: number) => string;
export declare const formatNumber: (input: string | number | BigNumber, decimal: number, formatter: NumberFormatter, metadata?: Record<string, number>) => string;