import { CancellationToken, WaitUntilEvent, DisposableCollection, EmitterProxy } from '@gedit/utils';
import { CompositeTreeNode, Tree, TreeNode } from './tree';
/**
 * originTree的代理, 不需要存储数据
 * @param originTree
 */
export declare class TreeProxy implements Tree {
    readonly originTree: Tree;
    protected toDispose: DisposableCollection;
    protected onNodeRefreshedEmitter: EmitterProxy<Readonly<CompositeTreeNode<TreeNode>> & WaitUntilEvent>;
    protected onChangedEmitter: EmitterProxy<void>;
    protected onDidChangeBusyEmitter: EmitterProxy<TreeNode>;
    onNodeRefreshed: import("@gedit/utils").Event<Readonly<CompositeTreeNode<TreeNode>> & WaitUntilEvent>;
    onChanged: import("@gedit/utils").Event<void>;
    onDidChangeBusy: import("@gedit/utils").Event<TreeNode>;
    constructor(originTree: Tree);
    get root(): TreeNode | undefined;
    set root(root: TreeNode | undefined);
    dispose(): void;
    getNode(id: string | undefined): TreeNode | undefined;
    validateNode(node: TreeNode | undefined): TreeNode | undefined;
    refresh(raw?: CompositeTreeNode): Promise<CompositeTreeNode | undefined>;
    markAsBusy(node: Readonly<TreeNode>, ms: number, token: CancellationToken): Promise<void>;
    get size(): number;
}
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