import type { OptionOptions } from '../interfaces';
/**
 * Represents a boolean option for a command.
 */
export declare class BooleanOption<T extends boolean | null = null> {
    /**
     * The type of the option. Set to boolean.
     */
    readonly type = "boolean";
    /**
     * The default value of the option.
     */
    readonly defaultValue: T | null;
    /**
     * Create a new boolean option.
     * @param options The options for the boolean option.
     */
    constructor(options?: OptionOptions<T>);
}