import { DataCacher, IDataHook, IDataRetriever } from "model-react";
import { IIOContext } from "../../context/_types/IIOContext";
import { TRequired } from "../../_types/TRequired";
import { IMenuItem } from "../items/_types/IMenuItem";
import { AbstractMenu } from "./AbstractMenu";
import { IMenuCategoryConfig } from "./_types/IMenuCategoryConfig";
import { IMenuCategoryData } from "./_types/IMenuCategoryData";
/**
 * A menu that wraps around an item source retriever, automatically updating its contents when the source updates.
 * Note that every single update will require O(n^2) time (n being the number of items in the menu), and is thus rather intensive.
 */
export declare class ProxiedMenu extends AbstractMenu {
    protected categoryConfig: TRequired<IMenuCategoryConfig>;
    protected itemSource: IDataRetriever<IMenuItem[]>;
    /**
     * Creates a new proxied menu
     * @param context The context to be used by menu items
     * @param itemSource The menu items source
     * @param config The configuration for category options
     */
    constructor(context: IIOContext, itemSource: IDataRetriever<IMenuItem[]>, config?: IMenuCategoryConfig);
    /** A data cacher that computes the categories from an item list */
    protected categories: DataCacher<{
        categories: IMenuCategoryData[];
        rawItems: IMenuItem[];
    }>;
    /** A data cacher that computes the items list with categories from the category data */
    protected itemsList: DataCacher<IMenuItem[]>;
    /**
     * Checks whether the cursor item is still present, and deselects it if not
     */
    protected deselectRemovedItems(): void;
    /**
     * Retrieves the items of the menu
     * @param hook The hook to subscribe to changes
     * @returns The menu items
     */
    getItems(hook?: IDataHook): IMenuItem[];
    /**
     * Retrieves the item categories of the menu
     * @param hook The hook to subscribe to changes
     * @returns The categories and their items
     */
    getCategories(hook?: IDataHook): IMenuCategoryData[];
}
//# sourceMappingURL=ProxiedMenu.d.ts.map