import { SelectableTreeNode, TreeSelection, TreeSelectionService } from './tree-selection';
import { DisposableCollection, EmitterProxy } from '@gedit/utils';
export declare class TreeSelectionProxy implements TreeSelectionService {
    protected readonly selection: TreeSelectionService;
    protected toDispose: DisposableCollection;
    protected readonly onSelectionChangedEmitter: EmitterProxy<readonly Readonly<SelectableTreeNode>[]>;
    readonly onSelectionChanged: import("@gedit/utils").Event<readonly Readonly<SelectableTreeNode>[]>;
    constructor(selection: TreeSelectionService);
    get selectedNodes(): ReadonlyArray<Readonly<SelectableTreeNode>>;
    dispose(): void;
    addSelection(selectionOrTreeNode: TreeSelection | Readonly<SelectableTreeNode>): void;
    storeState(): object;
    restoreState(state: object): void;
}
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