class-validator/types/decorator/typechecker/IsBoolean.d.ts

Decorator-based property validation for classes.

import { ValidationOptions } from '../ValidationOptions';
export declare const IS_BOOLEAN = "isBoolean";
/**
 * Checks if a given value is a boolean.
 */
export declare function isBoolean(value: unknown): value is boolean;
/**
 * Checks if a value is a boolean.
 */
export declare function IsBoolean(validationOptions?: ValidationOptions): PropertyDecorator;