import { TypeBase } from './base';
import { LangList } from '../types/lang';
export declare const messages: LangList;
/**
 * Boolean class
 */
export declare class TypeBoolean extends TypeBase {
    /**
     * Constructor
     */
    constructor();
    /**
     * Try to cast value
     *
     * @param {mixed} value
     * @return {boolean|mixed}
     */
    _cast(value: any): boolean | any;
    /**
     * Test to validate the type of the value
     *
     * @return {this}
     */
    typeof(): this;
    /**
     * Force a boolean to equal true
     *
     * @return {this}
     */
    true(): this;
    /**
     * Force a boolean to equal false
     *
     * @return {this}
     */
    false(): this;
}
declare const def: {
    Class: typeof TypeBoolean;
    messages: LangList;
};
export default def;