/**
 * Due to historical problems, the calculation process of TiB uses TB characters
 */
declare const binaryMap: {
    b: number;
    kb: number;
    mb: number;
    gb: number;
    tb: number;
    pb: number;
    eb: number;
    zb: number;
};
declare const unitMap: {
    B: string;
    KB: string;
    MB: string;
    GB: string;
    TB: string;
    PB: string;
    EB: string;
    ZB: string;
};
export declare type BinaryMapKeyTypes = keyof typeof binaryMap;
export declare type UnitMapKeyTypes = keyof typeof unitMap;
export interface OptionsType {
    capacityBase?: number;
    convert?: boolean;
    decimalPlaces?: number;
    fixedDecimals?: boolean;
    needUnit?: boolean;
    splitUnit?: boolean;
    unitSeparator?: string;
    thousandsSeparator?: string;
    toUnit?: UnitMapKeyTypes;
    withoutFloat?: boolean;
}
interface OptionsTypeWithSplitUnit extends OptionsType {
    splitUnit?: true;
}
interface OptionsTypeWithOutSplitUnit extends OptionsType {
    splitUnit?: false;
}
declare function format(value: number, options?: OptionsTypeWithOutSplitUnit): string | null;
declare function format(value: number, options?: OptionsTypeWithSplitUnit): string[] | null;
declare function parse(val: string, options?: {
    capacityBase?: number;
    convert?: boolean;
}): number | null;
declare function parseToUnit(value: string, toUnit: UnitMapKeyTypes, capacityBase?: 1024 | 1000): string | null;
declare const bytes: {
    format: typeof format;
    parse: typeof parse;
    parseToUnit: typeof parseToUnit;
};
export default bytes;