/**
 * utils for working with numbers
 *
 * @module
 */
import { type Codec } from "./Codec.js";
export declare const tryParse: (value: unknown) => Readonly<{
    __tag: "none";
}> | Readonly<{
    __tag: "some";
    value: number;
}>;
export declare const eq: (a: number, b: number) => boolean;
export declare const gt: (a: number, b: number) => boolean;
export declare const gte: (a: number, b: number) => boolean;
export declare const lt: (a: number, b: number) => boolean;
export declare const lte: (a: number, b: number) => boolean;
/**
 * converts between string and number. Invalid values are treated as a right undefined
 */
export declare const contentAttribute__maybeNumber: Codec<string, number | undefined>;
/**
 * converts between a string and a number. NaN values also produce a left
 */
export declare const contentAttribute__number: Codec<string, number>;
/**
 * converts between a locale aware number format (without grouping) and a number
 */
export declare const localeContentAttribute__number: (forLocale: string) => Codec<string, number | undefined>;