import BaseLayer from '../../../models/layers/baselayer.js';
import IGirafeContext from '../../../tools/context/icontext.js';
export default class TreeViewFilterHelper {
    private readonly context;
    constructor(context: IGirafeContext);
    /**
     * Filters a tree structure of layers based on a search query.
     * Updates the visibility of layers matching the search text.
     *
     * @param {BaseLayer[]} layerTree - The tree structure of layers to filter.
     * @param {string} searchText - The text query used to filter the layers.
     */
    filterLayerTree(layerTree: BaseLayer[], searchText: string): void;
    /**
     * Toggles visibility of layers whose IDs match the provided list.
     *
     * @param {BaseLayer[]} layerTree - The tree structure of layers.
     * @param {string[]} matchingIds - Array of IDs whose visibility should be toggled.
     */
    private toggleLayerVisibility;
    /**
     * Prepares a list of layer tree items for search by processing them hierarchically.
     *
     * @param {BaseLayer} layer - The layer to process.
     * @param {string[]} [parentIds=[]] - An array of parent IDs representing the hierarchy above the current layer.
     * @returns {{ idList: string[]; name: string }[]} An array of objects where each object contains:
     *  - `idList`: A combined array of parent IDs, the layer's own ID, and all of its children IDs.
     *  - `name`: The localized and lowercased name of the layer.
     */
    private prepareTreeItemForSearch;
    /**
     * Retrieves the tree item IDs of the given layer and all its child layers recursively.
     *
     * @param {BaseLayer} layer - The root layer from which to start collecting tree item IDs.
     * @returns {string[]} An array of tree item IDs.
     */
    private getChildIdsRecursively;
}