import type { SortBy } from '../filter-sort-helper/sort.js';
import type { FilterHelpers } from '../filter-sort-helper/filter.js';
import type { SchemaDeclaration } from '../../schema.js';
export type Options = {
    fields?: string[];
    expand?: Expand[];
    filter?: string | ((arg: FilterHelpers<SchemaDeclaration, keyof SchemaDeclaration, 0>) => string);
    sort?: string | ((arg: {
        $: FilterHelpers<SchemaDeclaration, keyof SchemaDeclaration, 0>['$'];
        sortBy: SortBy<SchemaDeclaration, keyof SchemaDeclaration, 0>;
    }) => string);
};
interface Expand extends Pick<Options, 'fields' | 'expand'> {
    key: string;
}
export declare function checkHasFieldsSpecified(options: any): boolean;
export {};