import { DropdownOption, Facet, SearchEntry, ValidDropdownOption, ValidDropdownOptions, ValidFacet, ValidFacets, Value } from '../types';
import { Entry, Input } from '../stores/ComponentStores';
export declare function newEntry(searchEntry: SearchEntry): Entry;
export declare function newInput(value?: string | Value): Input;
/**
 * Converts a simple array of strings to SearchEntry's
 * @param {string[]} values
 * @returns {SearchEntry[]}
 */
export declare function toEntries(values: Array<string | Value | SearchEntry> | null): SearchEntry[];
export declare function toEntry(value: string | Value | SearchEntry): SearchEntry;
/**
 * Converts an array of facets (Facet or string) in a a promise resolving to the valid internal facet format.
 * @param opts
 */
export declare function toFacets(opts: ValidFacets): Promise<Facet[]>;
export declare function toFacet(facet: ValidFacet): Facet;
/**
 * Converts a handful of dropdown option formats to a fixed internal format
 * @param opts
 */
export declare function toOptions(opts: ValidDropdownOptions): Promise<DropdownOption[]>;
/**
 * Turns a ValidDropdownOption into a DropdownOption object.
 * @param option
 */
export declare function toOption(option: ValidDropdownOption): DropdownOption;
/**
 * Convenience method to convert a field:value tuple to a faceted SearchEntry
 * @param facet
 * @param value
 */
export declare function toFacetValue(facet: string, value: string): SearchEntry;
/**
 * Converts a value to the Value type required by VisualSearchStore.
 *
 * @param {string | object | null | undefined} val
 * @returns {Value}
 */
export declare function toValue(val: string | null | undefined | Value): Value;
/**
 * Returns an array of unknown values to usable values by the VisualSearchStore
 *
 * @param {any[]} arr
 * @returns {[]}
 */
export declare function toValues(arr: any[]): Value[];
/**
 * Basic truthy filter function.
 *
 * @param {any} val
 * @returns {any}
 */
export declare function identity<T>(val: T): T;
/**
 * Convenience to create a partial DropdownOption for a value
 * @param value
 * @param label
 */
export declare function createPartial(value: string, label?: string): DropdownOption;
/**
 * Like lodash.omit
 *
 * @param object
 * @param keys
 */
export declare function omit<T>(object: object, ...keys: Array<string | string[]>): T & any;