import { Multieditor } from '../multieditor';
import { Item, ItemKey } from '../item';
export declare class Validator<ValueType = any> {
    config: ValidatorConfigInterface;
    _key?: ValidatorKey;
    validationMethods: ValidationMethodContainerInterface<ValueType>[];
    /**
     * Handles the validation of Items.
     *
     * @public
     * @param config - Configuration object
     */
    constructor(config?: ValidatorConfigInterface);
    /**
     * Updates the key/name identifier of the Validator.
     *
     * @public
     * @param value - New key/name identifier.
     */
    set key(value: ValidatorKey | undefined);
    /**
     * Returns the key/name identifier of the Validator.
     *
     * @public
     */
    get key(): ValidatorKey | undefined;
    /**
     * Validates the specified value
     * and updates the Status of the provided Item.
     *
     * @public
     * @param item - Item to apply the computed status to.
     * @param value - Value to be validated.
     */
    validate(item: Item<ValueType>, value: ValueType): Promise<boolean>;
    /**
     * Assigns a new validation method to the Validator.
     *
     * @public
     * @param method - Validation method to be added.
     * @param config = Configuration object
     */
    addValidationMethod(method: ValidationMethodInterface<ValueType>, config?: AddValidationMethodConfigInterface): this;
    /**
     * Appends the specified Validator to this Validator.
     *
     * @public
     * @param validator - Validator to be appended to this Validator.
     */
    append(validator: Validator): this;
    /**
     * Returns a fresh reference free copy of this Validator.
     *
     * @public
     */
    copy(): Validator<ValueType>;
}
export declare type ValidatorKey = string | number;
export interface ValidatorConfigInterface {
    /**
     * Key/Name identifier of the Validator.
     * @default undefined
     */
    key?: ValidatorKey;
}
export declare type ValidationMethodInterface<ValueType = any> = (
/**
 * Key/Name identifier of the Item whose value to be validated.
 */
toValidateItemKey: ItemKey, 
/**
 * Value to be validated.
 */
value: ValueType, 
/**
 * Multieditor the to validate Item belongs to.
 */
editor: Multieditor) => Promise<boolean> | boolean;
export interface ValidationMethodContainerInterface<DataType = any> {
    /**
     * Key/Name identifier of the validation method.
     * @default undefined
     */
    key?: ValidationMethodKey;
    /**
     * Validation method
     */
    method: ValidationMethodInterface<DataType>;
}
export interface AddValidationMethodConfigInterface {
    /**
     * Key/Name identifier of the validation method.
     * @default undefined
     */
    key?: string;
}
export declare type ValidationMethodKey = string | number;