import * as vscode from 'vscode';
import { Folder } from './TiaProjectServerFetchApi.js';
export declare class TiaProjectTreeView implements vscode.TreeDataProvider<vscode.TreeItem>, vscode.TreeDragAndDropController<vscode.TreeItem> {
    private _onDidChangeTreeData;
    onDidChangeTreeData: vscode.Event<vscode.TreeItem[] | null>;
    projectTree: ProjectTreeItem[];
    constructor(context: vscode.ExtensionContext);
    getTreeItem(element: vscode.TreeItem): vscode.TreeItem | Thenable<vscode.TreeItem>;
    showTreeItem(element: vscode.TreeItem): Promise<void>;
    getChildren(element?: ChildrenTreeItem | undefined): Promise<vscode.TreeItem[]>;
    dropMimeTypes: string[];
    dragMimeTypes: never[];
    handleDrag(source: readonly FolderTreeItem[], dataTransfer: vscode.DataTransfer, token: vscode.CancellationToken): void | Thenable<void>;
    handleDrop(target: FolderTreeItem | undefined, dataTransfer: vscode.DataTransfer, token: vscode.CancellationToken): Promise<void>;
    openTiaProject(uri: string): Promise<void>;
    closeProject(item: ProjectTreeItem): void;
}
declare abstract class ChildrenTreeItem extends vscode.TreeItem {
    readonly abstract children: vscode.TreeItem[];
}
declare class ProjectTreeItem extends ChildrenTreeItem {
    name: string;
    file: string;
    children: FolderTreeItem[];
    constructor(name: string, file: string);
}
declare class FolderTreeItem extends ChildrenTreeItem {
    folder: Folder;
    projectTreeItem: ProjectTreeItem;
    constructor(folder: Folder, projectTreeItem: ProjectTreeItem);
    get children(): FolderTreeItem[];
}
export {};