import { EventEmitter } from '@angular/core';
import { StorageAccountWithProvider } from '@memberjunction/core-entities';
import * as i0 from "@angular/core";
/**
 * Represents a breadcrumb item in the path
 */
export interface BreadcrumbItem {
    label: string;
    path: string;
}
/**
 * Represents a folder in the tree
 */
export interface FolderItem {
    name: string;
    fullPath: string;
}
/**
 * Folder tree navigation component with breadcrumbs and history navigation.
 * Provides Mac Finder-style navigation with back/forward buttons and breadcrumb path.
 * Loads actual folder structure from storage accounts via GraphQL.
 */
export declare class FolderTreeComponent {
    /**
     * GraphQL client for file storage operations
     */
    private storageClient;
    /**
     * Currently selected storage account with provider details
     */
    private _account;
    constructor();
    set account(value: StorageAccountWithProvider | null);
    get account(): StorageAccountWithProvider | null;
    /**
     * Emits when a folder is selected in the tree
     */
    folderSelected: EventEmitter<string>;
    /**
     * Current folder path
     */
    currentPath: string;
    /**
     * Navigation history (for back button)
     */
    history: string[];
    /**
     * Current position in history
     */
    historyIndex: number;
    /**
     * Breadcrumb items for current path
     */
    breadcrumbs: BreadcrumbItem[];
    /**
     * Folders in current path
     */
    folders: FolderItem[];
    private cdr;
    /**
     * Loading state
     */
    isLoading: boolean;
    /**
     * Error message
     */
    errorMessage: string | null;
    /**
     * Resets navigation when provider changes
     */
    private resetNavigation;
    /**
     * Navigates to a specific folder path
     */
    navigateToPath(path: string): void;
    /**
     * Refreshes the current folder view without changing navigation
     * Used when folder structure changes (e.g., folder deleted) but we're staying in the same location
     */
    refresh(): void;
    /**
     * Navigates back in history
     */
    navigateBack(): void;
    /**
     * Navigates forward in history
     */
    navigateForward(): void;
    /**
     * Checks if can navigate back
     */
    canGoBack(): boolean;
    /**
     * Checks if can navigate forward
     */
    canGoForward(): boolean;
    /**
     * Updates breadcrumbs based on current path
     */
    private updateBreadcrumbs;
    /**
     * Handles breadcrumb click
     */
    onBreadcrumbClick(item: BreadcrumbItem): void;
    /**
     * Loads folders from the storage account for the current path
     */
    private loadFolders;
    /**
     * Handles folder click for navigation
     */
    onFolderClick(folder: FolderItem): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<FolderTreeComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<FolderTreeComponent, "mj-folder-tree", never, { "account": { "alias": "account"; "required": false; }; }, { "folderSelected": "folderSelected"; }, never, never, false, never>;
}
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