import Rect from "./Rect";
import Node from "./Node";
export default class Boundary {
    private Left;
    private Right;
    private _spacerMerger;
    private _boundingRect;
    get BoundingRect(): Rect;
    set BoundingRect(value: Rect);
    constructor(frompublic?: boolean);
    PrepareForHorizontalLayout(node: Node): void;
    Prepare(node: Node): void;
    VerticalMergeFrom(other: Boundary): void;
    MergeFrom(other: Boundary): void;
    private ValidateState;
    MergeFromNode(node: Node): void;
    ComputeOverlap(other: Boundary, siblingSpacing: number, branchSpacing: number): number;
    ReloadFromBranch(branchRoot: Node): void;
}