import type { CellProperties } from '../../settings';
export declare const VALIDATOR_TYPE: 'dropdown';
/**
 * The Dropdown cell validator.
 *
 * @private
 * @param {*} value Value of edited cell.
 * @param {Function} callback Callback called with validation result.
 */
export declare function dropdownValidator(this: CellProperties, value: unknown, callback: (valid: boolean) => void): void;
export declare namespace dropdownValidator {
    var VALIDATOR_TYPE: "dropdown";
}