import { createMustBeTrueValidator } from './must-be-true';
export type BooleanMessageFactories = {
    mustBeTrue: Parameters<typeof createMustBeTrueValidator>[0];
};
export declare function createBooleanValidators(factories?: Partial<BooleanMessageFactories>): {
    mustBeTrue: () => import("../validator.type").Validator<boolean>;
};