export declare const VALIDATOR_TYPE: 'date';
export declare const SOURCE_DATA_WARNING_MESSAGE: string;
type CellMeta = Record<string, unknown> & {
    allowEmpty?: boolean;
};
/**
 * Validates a date value against the source data format (ISO 8601).
 *
 * @param {unknown} value The value to validate.
 * @param {CellMeta} cellMeta The cell meta object.
 * @returns {boolean} True if valid.
 */
export declare function sourceDataValidator(value: unknown, cellMeta: CellMeta): boolean;
export declare namespace sourceDataValidator {
    var rowIndependent: boolean;
}
/**
 * The Date cell validator.
 *
 * @private
 * @param {*} value Value of edited cell.
 * @param {Function} callback Callback called with validation result.
 */
export declare function dateValidator(this: CellMeta, value: unknown, callback: (valid: boolean) => void): void;
export declare namespace dateValidator {
    var VALIDATOR_TYPE: "date";
}
export {};