import BaseException from "../base.exception";
/**
 * @fileoverview Value Already Exists exception (HTTP 409)
 * @author dr. Salmi <reevosolutions@gmail.com>
 */
/**
 * Exception thrown when attempting to create a resource that already exists.
 * Corresponds to HTTP 409 Conflict status code.
 *
 * @class ValueAlreadyExistsException
 * @extends {BaseException}
 * @example
 * ```typescript
 * throw new ValueAlreadyExistsException('Email already exists');
 * throw new ValueAlreadyExistsException('Username is taken', {
 *   username: { value: 'john_doe', message: 'This username is already taken' }
 * });
 * ```
 */
declare class ValueAlreadyExistsException extends BaseException {
    /**
     * Field-specific information about the conflicting values
     * @type {ErrorFields}
     */
    readonly fields?: ErrorFields;
    /**
     * Indicates if this exception was created from a Mongoose validation error
     * @type {boolean}
     */
    readonly isMongoose: boolean;
    /**
     * Creates an instance of ValueAlreadyExistsException.
     *
     * @param {string} [message='Value already exists'] - The error message
     * @param {ErrorFields} [fields] - Field-specific information about conflicting values
     * @param {Record<string, any>} [context] - Additional context
     * @memberof ValueAlreadyExistsException
     */
    constructor(message?: string, fields?: ErrorFields, context?: Record<string, any>);
    /**
     * Returns a JSON representation of the value already exists exception
     *
     * @returns {object} JSON representation including field information
     * @memberof ValueAlreadyExistsException
     */
    toJSON(): object;
}
export default ValueAlreadyExistsException;