import { Unit } from "./Unit";
export declare class UnitFrequency extends Unit {
    static terahertz: UnitFrequency;
    static gigahertz: UnitFrequency;
    static megahertz: UnitFrequency;
    static kilohertz: UnitFrequency;
    static hertz: UnitFrequency;
    static millihertz: UnitFrequency;
    static microhertz: UnitFrequency;
    static nanohertz: UnitFrequency;
    constructor(name: string, symbol: string, description: string, baseUnitConversionFactor: number);
}