import type { ValidatorComponent } from "../internal/internal.mjs";
/**
 * Validates the state of a `boolean`.
 *
 * @typeParam T - the type of the value
 */
interface BooleanValidator<T extends boolean | undefined | null> extends ValidatorComponent<T> {
    /**
     * Ensures that the value is `true`.
     *
     * @returns this
     * @throws TypeError if the value is `undefined` or `null`
     * @throws RangeError if the value is `false`
     */
    isTrue(): this;
    /**
     * Ensures that the value is `false`.
     *
     * @returns this
     * @throws TypeError if the value is `undefined` or `null`
     * @throws RangeError if the value is `true`
     */
    isFalse(): this;
}
export type { BooleanValidator };