/**
 * This file is part of the NocoBase (R) project.
 * Copyright (c) 2020-2024 NocoBase Co., Ltd.
 * Authors: NocoBase Team.
 *
 * This project is dual-licensed under AGPL-3.0 and NocoBase Commercial License.
 * For more information, please refer to: https://www.nocobase.com/agreement.
 */
/**
 * Normalize filter value based on operator expected shape.
 *
 * - Multi-value operators: normalize scalar -> [value]
 * - $dateBetween: normalize scalar date -> [date, date]
 *
 * Note: For date variables (object with `type`), keep as-is because operators can resolve it to ranges.
 */
export declare function normalizeFilterValueByOperator(operator: string | undefined, rawValue: any): any;
