/*!
 * -------------------------------------------------------------------------- *
 *                                                                            *
 *    Kokopu - A JavaScript/TypeScript chess library.                         *
 *    <https://www.npmjs.com/package/kokopu>                                  *
 *    Copyright (C) 2018-2026  Yoann Le Montagner <yo35 -at- melix.net>       *
 *                                                                            *
 *    Kokopu is free software: you can redistribute it and/or                 *
 *    modify it under the terms of the GNU Lesser General Public License      *
 *    as published by the Free Software Foundation, either version 3 of       *
 *    the License, or (at your option) any later version.                     *
 *                                                                            *
 *    Kokopu is distributed in the hope that it will be useful,               *
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of          *
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the            *
 *    GNU Lesser General Public License for more details.                     *
 *                                                                            *
 *    You should have received a copy of the GNU Lesser General               *
 *    Public License along with this program. If not, see                     *
 *    <http://www.gnu.org/licenses/>.                                         *
 *                                                                            *
 * -------------------------------------------------------------------------- */
import { InvalidPOJO } from '../exception';
/**
 * Helper class to build a {@link InvalidPOJO}.
 */
export declare class POJOExceptionBuilder {
    #private;
    constructor(pojo: unknown);
    push(fieldName: string | number): void;
    pop(): void;
    build(message: string, ...tokens: unknown[]): InvalidPOJO;
}
/**
 * Validate a string-valued field read from a POJO.
 */
export declare function decodeStringField(pojo: Partial<Record<string, unknown>>, fieldName: string, exceptionBuilder: POJOExceptionBuilder, setter: (value: string) => void): void;
/**
 * Validate a number-valued field read from a POJO.
 */
export declare function decodeNumberField(pojo: Partial<Record<string, unknown>>, fieldName: string, exceptionBuilder: POJOExceptionBuilder, setter: (value: number) => void): void;
/**
 * Validate a boolean-valued field read from a POJO.
 */
export declare function decodeBooleanField(pojo: Partial<Record<string, unknown>>, fieldName: string, exceptionBuilder: POJOExceptionBuilder, setter: (value: boolean) => void): void;
/**
 * Validate an array-valued field read from a POJO.
 */
export declare function decodeArrayField(pojo: Partial<Record<string, unknown>>, fieldName: string, exceptionBuilder: POJOExceptionBuilder, setter: (value: unknown[]) => void): void;
/**
 * Validate an object-valued field read from a POJO.
 */
export declare function decodeObjectField(pojo: Partial<Record<string, unknown>>, fieldName: string, exceptionBuilder: POJOExceptionBuilder, setter: (value: Partial<Record<string, unknown>>) => void): void;