import type { LogParams } from '../../types/internal';
/**
 * Asserts that the value is boolean ('true` or `false`).
 */
export declare function assertValueIsBoolean<Type>(value: Type, check: string, payload?: LogParams): asserts value is Type & boolean;
/**
 * Asserts that the value is `false` (strictly equal to `false`).
 */
export declare function assertValueIsFalse<Type>(value: Type | false, check: string, payload?: LogParams): asserts value is false;
/**
 * Asserts that the value is `true` (strictly equal to `true`).
 */
export declare function assertValueIsTrue<Type>(value: Type | true, check: string, payload?: LogParams): asserts value is true;