import { BaseError } from 'make-error';
import { Constrained } from '../../core';
export declare class InvalidPositiveNumberError extends BaseError {
    constructor();
}
export declare const positiveNumberSymbol: unique symbol;
export type PositiveNumber = Constrained<typeof positiveNumberSymbol, number>;
export declare function isPositiveNumber(input: unknown): input is PositiveNumber;
export declare function positiveNumber(input: unknown): PositiveNumber;