import '@opra/core';
import type { SQBAdapter } from '../sqb-adapter.js';
/**
 * Prepares the SQB filter based on the provided filters and options.
 *
 * @param filters - The filter(s) to be applied. Can be a single filter or an array of filters.
 * @returns The prepared SQB Expression, or `undefined` if no filters are provided.
 */
export default function prepareFilter(filters: SQBAdapter.FilterInput | SQBAdapter.FilterInput[]): any;