import { Schema } from '@coveo/bueno';
import type { FacetOptions as CoreFacetOptions, FacetSearchOptions } from '../../../core/facets/facet/headless-core-facet-options.js';
export type { CoreFacetOptions, FacetSearchOptions };
export interface FacetOptions extends CoreFacetOptions {
    /**
     * Specifies an explicit list of `allowedValues` in the Search API request.
     *
     * If you specify a list of values for this option, the facet uses only these values (if they are available in
     * the current result set).
     *
     * The maximum amount of allowed values is 25.
     *
     * Default value is `undefined`, and the facet uses all available values for its `field` in the current result set.
     */
    allowedValues?: string[];
    /**
     * Identifies the facet values that must appear at the top, in this order.
     * This parameter can be used in conjunction with the `sortCriteria` parameter.
     *
     * Facet values not part of the `customSort` list will be sorted according to the `sortCriteria`.
     *
     * The maximum amount of custom sort values is 25.
     *
     * The default value is `undefined`, and the facet values will be sorted using only the `sortCriteria`.
     */
    customSort?: string[];
}
export declare const facetOptionsSchema: Schema<Required<FacetOptions>>;