import * as THREE from "three";
import { DistancePanel, PropertiesPanel, DistanceResponseData, PropertiesResponseData } from "./ui.js";
import type { PickedObject } from "../../rendering/raycast.js";
import type { ViewerLike } from "./tools.js";
interface PanelDragData {
    x: number | null;
    y: number | null;
    clicked: boolean;
}
declare class Measurement {
    selectedShapes: PickedObject[];
    point1: THREE.Vector3 | null;
    point2: THREE.Vector3 | null;
    middlePoint: THREE.Vector3 | null;
    contextEnabled: boolean;
    viewer: ViewerLike | null;
    scene: THREE.Scene | null;
    panel: DistancePanel | PropertiesPanel | null;
    panelCenter: THREE.Vector3 | null;
    panelX: number | null;
    panelY: number | null;
    panelShown: boolean;
    responseData: DistanceResponseData | PropertiesResponseData | null;
    measurementLineColor: number;
    connectingLineColor: number;
    coneLength: number | undefined;
    panelDragData: PanelDragData;
    shift: boolean;
    debug: boolean;
    constructor(viewer: ViewerLike, panel: DistancePanel | PropertiesPanel);
    enableContext(): void;
    disableContext(): void;
    _hideMeasurement(): void;
    /**
     * Response handler for the measure context
     */
    handleResponse(_response?: DistanceResponseData | PropertiesResponseData): void;
    _createPanel(): void;
    _makeLines(): void;
    _updateConnectionLine(): void;
    /**
     * Get the maximum number of selected obj this measurement can handle
     */
    _getMaxObjSelected(): number;
    /**
     * Wait for the backend to send the data needed to display the real BREP measurement.
     */
    _waitResponse(resolve: (data: DistanceResponseData | PropertiesResponseData) => void, _reject: (reason?: Error) => void): void;
    /**
     * Update the measurement panel, if enough shapes have been selected for the current tool,
     * ask the backend for the real measurement data and display it.
     */
    _updateMeasurement(): void;
    /**
     * React to each new selected element in the viewer.
     */
    handleSelection: (selectedObj: PickedObject, shift?: boolean) => void;
    _mouseup: (e: MouseEvent) => void;
    _movePanel: () => void;
    /**
     * This handler is responsible to update the panel center vector when the user drag the panel on the screen.
     */
    _dragPanel: (e: MouseEvent) => void;
    removeLastSelectedObj(force?: boolean): void;
    /**
     * Adjust the arrow cones scale factor to ensure they keep the same size on the screen.
     */
    _adjustArrowsScaleFactor(zoom: number): void;
    update(): void;
    disposeArrows(): void;
    dispose(): void;
}
declare class DistanceMeasurement extends Measurement {
    debug: boolean;
    constructor(viewer: ViewerLike, debug: boolean);
    _createPanel(): void;
    _getMaxObjSelected(): number;
    _getPoints(): void;
    _makeLines(): void;
    _updateConnectionLine(): void;
    /**
     * Handle the response from the backend.
     */
    handleResponse(response: DistanceResponseData): void;
}
declare class PropertiesMeasurement extends Measurement {
    debug: boolean;
    constructor(viewer: ViewerLike, debug: boolean);
    _createPanel(): void;
    _getMaxObjSelected(): number;
    _getPoint(): void;
    _makeLines(): void;
    _updateConnectionLine(): void;
    /**
     * Handle the response from the backend.
     */
    handleResponse(response: PropertiesResponseData): void;
}
export { DistanceMeasurement, PropertiesMeasurement };