import { RenderManagerBase } from '../RenderManagerBase';
import { ColorRepresentation, Plane, Vector3 } from 'three';
import { LabelAlignment } from './LabelTools';
import { LabelMapBase } from './LabelMapBase';
declare class DomLabelBase {
    /**
     * Label position in 3D space.
     */
    position: Vector3;
    /**
     * Label position in screen space.
     */
    screenPosition: Vector3;
    /**
     * DOM container for rendering label content.
     */
    container: HTMLElement | undefined;
    containerIdx: number | undefined;
    /**
     * Is label clipped by clipping planes or not.
     */
    isClipped: boolean;
    isInBounds: boolean;
    width: number;
    height: number;
    constructor();
    reset(): void;
    checkWithClippingPlanes(planes: Plane[]): void;
}
/**
 * Single label with DOM rendering support.
 */
export declare class DomLabel extends DomLabelBase {
    /**
     * Is label collapsed with nearest labels into one or not.
     */
    isCollapsed: boolean;
    /**
     * Label content.
     */
    value: any;
    /**
     * Optional element number associated with label.
     */
    elNum: number | undefined;
    color: string;
    lastElementVisible: boolean;
    /**
     * @param position - Label position.
     * @param value - Label content.
     * @param color - Label color.
     * @param elNum - Optional element number associated with label.
     */
    constructor(position: Vector3, value: any, color: ColorRepresentation, elNum: number | undefined);
}
/**
 * Labels map options for creation.
 */
export declare class DomLabelMapOptions {
    /**
     * Name of the labels map.
     */
    name: string;
    /**
     * Content render callback function.
     */
    render: (container: HTMLElement, value: any, color: string, elNum: (number | undefined)) => void;
    /**
     * Content updater callback function.
     */
    updater?: ((container: HTMLElement, value: any, color: string, elNum: (number | undefined)) => void) | undefined;
    /**
     * Alignment for label container.
     */
    horizontalAlignment?: LabelAlignment;
    /**
     * Alignment for label container.
     */
    verticalAlignment?: LabelAlignment;
    /**
     * Max visible labels on the screen.
     */
    maxVisibleLabelsCount?: number;
    /**
     * Max visible label points on the screen when maxVisibleLabelsCount is not Infinity.
     */
    maxLabelPointsCount?: number;
}
/**
 * Labels map with DOM rendering support.
 */
export declare class DomLabelMap extends LabelMapBase {
    /**
     * Labels map.
     */
    labels: Map<string, DomLabel>;
    labelContainers: Array<HTMLElement>;
    labelContainersIdx: Array<boolean>;
    activeLabels: Set<DomLabel>;
    private labelsArray;
    private readonly render;
    private readonly updater;
    labelsContainer: HTMLDivElement;
    private renderManager;
    private boundsTree;
    horizontalAlignment: LabelAlignment;
    verticalAlignment: LabelAlignment;
    private readonly labelScreenPoints;
    private readonly maxVisibleLabelsCount;
    private readonly maxLabelPointsCount;
    private needBuildLabelPoints;
    private shapecastCounter;
    /**
     * @param renderManager - RenderManager instance.
     * @param options - Labels map options for creation.
     */
    constructor(renderManager: RenderManagerBase, options: DomLabelMapOptions);
    generateBoundsTree(): void;
    processLabels(forceShapecast?: boolean): void;
    /**
     * Clear labels.
     */
    clear(): void;
    /**
     * Dispose label map.
     */
    dispose(): void;
    /**
     * Update single label content.
     * @param name - Label name.
     * @param value - label content.
     */
    update(name: string, value: any): void;
    /**
     * Update single label to labels map.
     * @param name - Label name.
     * @param position - Label position in 3D space.
     * @param value - label content.
     * @param color - label color.
     * @param elNum - Optional element number associated with label.
     */
    add(name: string, position: Vector3, value: any, color?: ColorRepresentation, elNum?: number | undefined): void;
    checkWithClippingPlanes(planes: Plane[]): void;
    calculateScreenPosition(label: DomLabel): void;
    setScreenLabel(label: DomLabel): void;
    checkElementState(label: DomLabel): boolean;
}
export {};