import { Unit } from "./Unit";
export declare class UnitLength extends Unit {
    static meters: UnitLength;
    static kilometers: UnitLength;
    static centimeters: UnitLength;
    static millimeters: UnitLength;
    static micrometers: UnitLength;
    static nanometers: UnitLength;
    static picometers: UnitLength;
    static inches: UnitLength;
    static feet: UnitLength;
    static yards: UnitLength;
    static miles: UnitLength;
    static nauticalMiles: UnitLength;
    static lightYears: UnitLength;
    static astronomicalUnits: UnitLength;
    static parsecs: UnitLength;
    constructor(name: string, symbol: string, description: string, baseUnitConversionFactor: number);
}