import * as Blockly from 'blockly/core';
import { Node } from '../models/node';
export declare class NgxBlocklyToolbox extends Blockly.Toolbox {
    readonly SEARCH_CATEGORY = "SEARCH_CATEGORY";
    readonly SEARCH_PLACEHOLDER = "SEARCH_PLACEHOLDER";
    private readonly _SEARCHBAR_CLASS;
    private readonly _TOOLBAR_CLASS;
    protected _timeout: any;
    protected _input: HTMLInputElement;
    protected _categoryId: string;
    protected _categoryExpandedCache: Map<String, boolean>;
    private _nodes;
    constructor(workspace: Blockly.WorkspaceSvg);
    init(): void;
    render(parsedToolboxDef: any): void;
    clearSearch(): void;
    toXML(): string;
    get nodes(): Node[];
    set nodes(nodes: Node[]);
    private _initSearchbar;
    private _search;
    private _recursiveSearch;
    private _clearSearchResult;
    private _storeExpandedState;
    private _restoreExpandedState;
    private _onWorkspaceChange;
    private _compare;
    private _prepareString;
    private _breakUpCamelCase;
    private _replaceWhitespaceWithUnderscore;
}