import { PositiveRational } from '../PositiveRational';
declare module '../Scale' {
    interface Scale {
        /** Gold. No canonical smallest unit */
        XAU: {
            'troy-ounce': PositiveRational;
            grain: PositiveRational;
            milligrain: PositiveRational;
            micrograin: PositiveRational;
            kilogram: PositiveRational;
            gram: PositiveRational;
            milligram: PositiveRational;
            microgram: PositiveRational;
        };
    }
}