import { Line } from 'three';
import { IFCModel } from 'web-ifc-three/IFC/components/IFCModel';
import { IfcContext } from '../context';
export declare enum SelectionWindowMode {
    lasso = 0,
    box = 1
}
export declare class SelectionWindow {
    private context;
    toolMode: SelectionWindowMode;
    onSelected?: (model: IFCModel, indices: number[]) => void;
    selectionShape: Line<import("three").BufferGeometry, import("three").Material | import("three").Material[]>;
    private dragging;
    private selectionPoints;
    private selectionShapeNeedsUpdate;
    private selectionNeedsUpdate;
    private startX;
    private startY;
    private prevX;
    private prevY;
    private tempVec0;
    private tempVec1;
    private tempVec2;
    private toScreenSpaceMatrix;
    private lassoSegments;
    private caster;
    constructor(context: IfcContext);
    setupSelectionShape(): void;
    onDragStarted(): void;
    onDragFinished(): void;
    onDrag(): void;
    updateSelectionLasso(): void;
    updateAll(): void;
    update(model: IFCModel): void;
    updateSelection(model: IFCModel): void;
}