import { Quantity } from '../Quantity.js'; export declare function eq(a: Quantity, b: string | number | Quantity): boolean; export declare function lt(a: Quantity, b: string | number | Quantity): boolean; export declare function lte(a: Quantity, b: string | number | Quantity): boolean; export declare function gt(a: Quantity, b: string | number | Quantity): boolean; export declare function gte(a: Quantity, b: string | number | Quantity): boolean; export declare function same(a: Quantity, b: Quantity): boolean; export declare function isInverse(a: Quantity, b: string | Quantity): boolean; export declare function compareTo(a: Quantity, b: string | number | Quantity): 0 | 1 | -1; export declare function isCompatible(a: Quantity, b: string | number | Quantity): boolean; export declare function isUnitless(a: Quantity): boolean;