import type { ValidationContext, Validator } from '../Validator.js';
import type { Comparable } from '../types.js';
export interface MaxValidatorOptions<T extends Comparable> {
    maxValue: T;
    exclusive?: boolean;
    message?: (params: ValidationContext & {
        maxValue: T;
        value: T;
    }) => string;
}
export declare function maxValidator<T extends Comparable>(options: MaxValidatorOptions<T>): Validator<T | null | undefined>;