import { type PerseusItem, type PerseusWidget, type PerseusWidgetsMap } from "@khanacademy/perseus-core";
/**
 * Get a widget type by a widget's ID
 * (please don't derive type from ID)
 *
 * @param {string} widgetId the ID of the widget
 * @param {PerseusWidgetsMap} widgetMap widget ID to widget map
 * @returns {string} the widget type (ie "radio")
 */
export declare function getWidgetTypeByWidgetId(widgetId: string, widgetMap: PerseusWidgetsMap): string | null;
export declare function getWidgetSubTypeByWidgetId(widgetId: string, widgetMap: PerseusWidgetsMap): string | null;
/**
 * Does the content have a specific type of widget?
 *
 * @param {string} type the type of the widget in question (ie "radio")
 * @param {string} content the string to search through
 * @param {PerseusWidgetsMap} widgetMap widget ID to widget map
 * @returns {boolean} if the content includes the widget type
 */
export declare function contentHasWidgetType(type: string, content: string, widgetMap: PerseusWidgetsMap): boolean;
/**
 * Pull the widget map out of ItemData
 *
 * @param {PerseusItem} PerseusItem containing a widgetMap
 * @returns {WidgetMap} the widget map in the PerseusItem
 */
export declare function getWidgetsMapFromItemData(itemData: PerseusItem): PerseusWidgetsMap;
/**
 * Get the widget information from a WidgetMap
 *
 * @param {string} widgetId the ID of the widget
 * @returns {PerseusWidget | null} the widget data if it exists, otherwise null
 */
export declare function getWidgetFromWidgetMap(widgetId: string, widgetMap: PerseusWidgetsMap): PerseusWidget | null;
/**
 * Get select widgets from a widget map.
 *
 * @param {ReadonlyArray<string>} widgetIds to extract
 * @param {PerseusWidgetsMap} widgetMap to extract from
 * @return {PerseusWidgetsMap} a new widget map with requested widgets
 */
export declare function getWidgetsFromWidgetMap(widgetIds: ReadonlyArray<string>, widgetMap: PerseusWidgetsMap): PerseusWidgetsMap;