import { IView, Orientation, Sizing, LayoutPriority, ISplitviewStyles } from '../splitview/core/splitview';
import { Event } from '../events';
import { INodeDescriptor } from './gridview';
import { Node } from './types';
import { CompositeDisposable } from '../lifecycle';
export declare class BranchNode extends CompositeDisposable implements IView {
    readonly orientation: Orientation;
    readonly proportionalLayout: boolean;
    readonly styles: ISplitviewStyles | undefined;
    readonly element: HTMLElement;
    private splitview;
    private _orthogonalSize;
    private _size;
    readonly children: Node[];
    private readonly _onDidChange;
    readonly onDidChange: Event<number | undefined>;
    get width(): number;
    get height(): number;
    get minimumSize(): number;
    get maximumSize(): number;
    get minimumOrthogonalSize(): number;
    get maximumOrthogonalSize(): number;
    get orthogonalSize(): number;
    get size(): number;
    get minimumWidth(): number;
    get minimumHeight(): number;
    get maximumWidth(): number;
    get maximumHeight(): number;
    get priority(): LayoutPriority;
    constructor(orientation: Orientation, proportionalLayout: boolean, styles: ISplitviewStyles | undefined, size: number, orthogonalSize: number, childDescriptors?: INodeDescriptor[]);
    setVisible(visible: boolean): void;
    isChildVisible(index: number): boolean;
    setChildVisible(index: number, visible: boolean): void;
    moveChild(from: number, to: number): void;
    getChildSize(index: number): number;
    resizeChild(index: number, size: number): void;
    layout(size: number, orthogonalSize: number): void;
    addChild(node: Node, size: number | Sizing, index: number, skipLayout?: boolean): void;
    getChildCachedVisibleSize(index: number): number | undefined;
    removeChild(index: number, sizing?: Sizing): void;
    private _addChild;
    private _removeChild;
    private _childrenDisposable;
    private setupChildrenEvents;
    dispose(): void;
}