import type { UmbIconDefinition } from '../types.js';
import { UmbControllerBase } from '../../../../libs/class-api/index.js';
import type { UmbControllerHost } from '../../../../libs/controller-api/index.js';
/**
 * Controller that searches a set of icons by name, keywords and groups using
 * word-boundary and fuzzy matching. Substring matches only count when they
 * begin at a token boundary (start of string or after whitespace/hyphen/dot),
 * so e.g. a query of "paper" does not match "newspaper". Pre-computes per-icon
 * lowercased tokens once per loaded icon set, and supports cancellation: a
 * newer call to {@link UmbIconSearchController.search} aborts any in-flight
 * search, and {@link UmbIconSearchController.destroy} aborts any in-flight
 * search.
 */
export declare class UmbIconSearchController extends UmbControllerBase {
    #private;
    constructor(host: UmbControllerHost);
    /**
     * Set the icons that subsequent {@link search} calls should operate on.
     * Precomputed searchable data is held lazily per-icon via a WeakMap, so
     * passing the same icon references across calls preserves the cache.
     * @param {Array<UmbIconDefinition>} icons - The icons to search through.
     */
    setIcons(icons: Array<UmbIconDefinition>): void;
    /**
     * Search the configured icons for the given query.
     *
     * Aborts any in-flight search first. Rejects with an AbortError if the
     * returned promise is superseded by another search or by {@link destroy}.
     * @param {string} query - The search query string.
     * @returns {Promise<Array<UmbIconDefinition>>} Filtered and sorted icons,
     * ordered: exact/substring matches first, then fuzzy matches.
     */
    search(query: string): Promise<Array<UmbIconDefinition>>;
    destroy(): void;
}