import * as Zappar from '@zappar/zappar';
import { Camera } from '../camera.js';
import * as THREE from 'three';
import { PlanesMeshesIntersection } from '../mesh/planesmeshes.js';
export declare const css = "\n\n#overlay {\n    position: fixed;\n    top: 0;\n    left: 0;\n    pointer-events: none;\n    overflow: hidden;\n    z-index: 1000000;\n    width: 100%;\n    height: 100%;\n}\n\n#overlay > * {\n    pointer-events: auto;\n    position: absolute;\n}\n\n.zappar-three-place-ui {\n\tposition: absolute;\n\tpointer-events: none;\n\tdisplay: flex;\n\tflex-direction: column;\n\tpadding: 40px;\n\tbox-sizing: border-box;\n}\n\n.zappar-three-place-ui-button {\n\toutline: none;\n\tbackground-color: #555;\n\tborder-radius: 40px;\n\tfont-family: sans-serif;\n\tcolor: white;\n\tfont-size: 16px;\n\tborder: none;\n\tmin-width: 60px;\n\theight: 60px;\n\tdisplay: flex;\n    align-items: center;\n    padding-left: 15px;\n    padding-right: 15px;\n    justify-content: center;\n}\n\n.zappar-three-place-ui-button:disabled {\n\topacity: 0.1;\n}\n\n.zappar-three-place-ui-button-text {\n\tpadding-left: 7px;\n\tpadding-right: 7px;\n}\n\n.zappar-three-place-ui-horizontal-left {\n\talign-items: flex-start;\n}\n\n.zappar-three-place-ui-horizontal-right {\n\talign-items: flex-end;\n}\n\n.zappar-three-place-ui-horizontal-center {\n\talign-items: center;\n}\n\n.zappar-three-place-ui-vertical-top {\n\ttop: 0px;\n}\n\n.zappar-three-place-ui-vertical-bottom {\n\tbottom: 0px;\n}\n\n.zappar-three-place-ui-vertical-center {\n\ttop: 50%;\n\tmargin-top: -30px;\n}";
export type LongPressMode = 'none' | 'toggle' | 'hold';
export type HorizontalAlignment = 'left' | 'center' | 'right';
export type VerticalAlignment = 'top' | 'center' | 'bottom';
/**
 * A THREE.Group that lets users place AR content in their environment.
 * Provides touch interaction and UI for positioning content on detected surfaces or ground plane.
 * Content can be placed once or repositioned using tap, with optional long-press to move functionality.
 */
export declare class UserPlacementAnchorGroup extends THREE.Group {
    private camera;
    readonly worldTracker: Zappar.WorldTracker;
    private renderer;
    /** Current world anchor for content placement */
    anchor: Zappar.CustomAnchor;
    private _placementMode;
    /**
     * Controls if content is in placement mode
     * @default false
     */
    get placementMode(): boolean;
    /**
     * Controls if content is in placement mode
     * @default false
     */
    set placementMode(value: boolean);
    private _placeUIClassList;
    /**
     * CSS classes for the placement UI container div
     */
    set placeUIClassList(value: string[]);
    get placeUIClassList(): string[];
    /** Indicates if system is ready for user interaction */
    ready: boolean;
    /**
     * Allow placement on detected real-world surfaces
     * @default true
     */
    placeOnPlanes: boolean;
    /**
     * Allow placement on detected ground plane
     * @default false
     */
    placeOnGround: boolean;
    /**
     * Show detected surfaces during placement
     * @default true
     */
    visualizePlanesDuringPlacement: boolean;
    /**
     * Show content during placement
     * @default true
     */
    showContentDuringPlacement: boolean;
    /**
     * Show placement confirmation button
     * Located in #overlay > .zappar-three-place-ui > .zappar-three-place-ui-button
     * @default true
     */
    showPlaceButton: boolean;
    /**
     * Show checkmark icon in place button
     * Located in #overlay > .zappar-three-place-ui > .zappar-three-place-ui-button > #zappar-three-place-ui-button-icon
     * @default true
     */
    showPlaceButtonIcon: boolean;
    /**
     * Custom text for place button
     * Located in #overlay > .zappar-three-place-ui > .zappar-three-place-ui-button > .zappar-three-place-ui-button-text
     * @default ""
     */
    placeButtonText: string;
    /**
     * Show button to restart placement
     * Located in #overlay > .zappar-three-place-ui > .zappar-three-place-ui-button
     * @default true
     */
    showRestartPlacementButton: boolean;
    /**
     * Show reset icon in restart button
     * Located in #overlay > .zappar-three-place-ui > .zappar-three-place-ui-button > #zappar-three-place-ui-button-icon
     * @default true
     */
    showRestartPlacementButtonIcon: boolean;
    /**
     * Custom text for restart button
     * Located in #overlay > .zappar-three-place-ui > .zappar-three-place-ui-button > .zappar-three-place-ui-button-text
     * @default ""
     */
    restartPlacementButtonText: string;
    /**
     * Long press behavior: none, toggle, or hold
     * @default "none"
     */
    longPressToMove: LongPressMode;
    /**
     * Show long press instruction after placement
     * Appears as overlay text in #overlay center
     * @default false
     */
    showLongPressInstructionOnPlace: boolean;
    /**
     * Show long press instruction after placement
     * Appears as overlay text in #overlay center
     * @default false
     */
    longPressInstruction: string;
    /**
     * Place button horizontal position
     * Adds .zappar-three-place-ui-horizontal-[left|center|right] class
     * @default "center"
     */
    placeButtonHorizontalAlignment: HorizontalAlignment;
    /**
     * Place button vertical position
     * Adds .zappar-three-place-ui-vertical-[top|center|bottom] class
     * @default "bottom"
     */
    placeButtonVerticalAlignment: VerticalAlignment;
    /**
     * Restart button horizontal position
     * Adds .zappar-three-place-ui-horizontal-[left|center|right] class
     * @default "left"
     */
    restartPlacementButtonHorizontalAlignment: HorizontalAlignment;
    /**
     * Restart button vertical position
     * Adds .zappar-three-place-ui-vertical-[top|center|bottom] class
     * @default "bottom"
     */
    restartPlacementButtonVerticalAlignment: VerticalAlignment;
    private planes;
    private placeUI?;
    private placeButton?;
    private restartPlacementUI?;
    private restartPlacementButton?;
    private fingerHeld;
    private hasFirstPlaced;
    private placementValid;
    contentGroup: THREE.Group<THREE.Object3DEventMap>;
    /**
     * Emits when placement mode starts
     */
    onPlacementStart: Zappar.Event;
    /**
     * Emits when placement mode ends
     */
    onPlacementEnd: Zappar.Event;
    /**
     * Emits when a plane is first intersected.
     */
    readonly onPlaneIntersect: Zappar.Event1<PlanesMeshesIntersection>;
    /**
     * Emits when a plane is no longer intersected.
     */
    readonly onPlaneIntersectEnd: Zappar.Event1<Omit<PlanesMeshesIntersection, "intersection">>;
    /**
     * Gets/sets the enabled state of the world tracker. Disable when not in use to save computational resources during frame processing.
     */
    set enabled(value: boolean);
    /**
     * Gets/sets the enabled state of the world tracker. Disable when not in use to save computational resources during frame processing.
     */
    get enabled(): boolean;
    onQuality: Zappar.Event1<Zappar.WorldTrackerQuality>;
    constructor(camera: Camera, worldTracker: Zappar.WorldTracker, renderer: THREE.WebGLRenderer, planeMaterial?: THREE.Material | THREE.MaterialParameters);
    private setupTouchListeners;
    private handleTouchStart;
    private handleTouchEnd;
    onFrameUpdate: () => void;
    private handleFirstPlaced;
    private updateUI;
    private updatePlaceButton;
    private updateRestartPlacementButton;
    private removePlaceButton;
    private removeRestartPlacementButton;
    private setElementPosition;
    private isReady;
    private updateReadyStatus;
    private showTextAlert;
    dispose(): void;
}