import { type BooleanValidator, type Configuration, type ValidationFailure, type ApplicationScope, AbstractValidator, ValidationTarget } from "../internal.mjs";
/**
 * Default implementation of `BooleanValidator`.
 */
declare class BooleanValidatorImpl<T extends boolean | undefined | null> extends AbstractValidator<T> implements BooleanValidator<T> {
    /**
     * @param scope         - the application configuration
     * @param configuration - the validator configuration
     * @param name          - the name of the value
     * @param value         - the value
     * @param context       - the contextual information set by a parent validator or the user
     * @param failures      - the list of validation failures
     * @throws TypeError if `name` is `undefined` or `null`
     * @throws RangeError if `name` contains whitespace, or is empty
     * @throws AssertionError if `scope`, `configuration`, `value`, `context` or `failures` are null
     */
    constructor(scope: ApplicationScope, configuration: Configuration, name: string, value: ValidationTarget<T>, context: Map<string, unknown>, failures: ValidationFailure[]);
    isTrue(): this;
    isFalse(): this;
}
export { BooleanValidatorImpl };