import { EventEmitter, OnChanges, OnInit, SimpleChanges } from '@angular/core';
import { TerraFrontendStorageService } from './terra-frontend-storage.service';
import { TerraStorageObject } from './model/terra-storage-object';
import { TerraBaseStorageService } from './terra-base-storage.interface';
import { TerraFileBrowser } from './terra-file-browser';
import { NestedTreeControl } from '@angular/cdk/tree';
import { MatTreeNestedDataSource } from '@angular/material/tree';
import { TerraFileBrowserNode } from './data/terra-file-browser-node.interface';
import * as i0 from "@angular/core";
export declare class TerraFileBrowserComponent extends TerraFileBrowser implements OnChanges, OnInit {
    set inputAllowedExtensions(extensions: Array<string>);
    get inputAllowedExtensions(): Array<string>;
    inputAllowFolders: boolean;
    outputSelectedChange: EventEmitter<TerraStorageObject>;
    onSelectedUrlChange: EventEmitter<string>;
    _treeControl: NestedTreeControl<TerraFileBrowserNode>;
    _dataSource: MatTreeNestedDataSource<TerraFileBrowserNode>;
    /** @description Notifies whenever the storage service or the storage root has been updated. */
    updatedStorageRootAndService: EventEmitter<[
        TerraBaseStorageService,
        TerraStorageObject
    ]>;
    _rightColumnWidth: number;
    _centerColumnWidth: number;
    _currentSelectedNode: TerraFileBrowserNode;
    _hasChild: (_: number, node: TerraFileBrowserNode) => boolean;
    private _storageServices;
    private _allowedExtensions;
    private readonly _defaultStorageServices;
    set inputStorageServices(services: Array<TerraBaseStorageService>);
    get inputStorageServices(): Array<TerraBaseStorageService>;
    constructor(frontendStorageService: TerraFrontendStorageService);
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    selectNode(storage: TerraStorageObject): void;
    selectUrl(publicUrl: string): void;
    _showImagePreview(isPreviewEnabled: boolean): void;
    _hideImagePreview(): void;
    _onNodeClick(event: MouseEvent, node: TerraFileBrowserNode): void;
    private _recursiveExpandParents;
    private _recursiveFindNodeByKey;
    private _renderTree;
    private _recursiveCreateNode;
    private _getSortedList;
    static ɵfac: i0.ɵɵFactoryDeclaration<TerraFileBrowserComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<TerraFileBrowserComponent, "terra-file-browser", never, { "inputAllowedExtensions": "inputAllowedExtensions"; "inputAllowFolders": "inputAllowFolders"; "inputStorageServices": "inputStorageServices"; }, { "outputSelectedChange": "outputSelectedChange"; }, never, never>;
}