import { EventDispatcher } from "three";
import { SettingsEventMap } from "./SettingsEventMap.js";
/**
 * Zoom settings.
 *
 * @group Settings
 */
export declare class ZoomSettings extends EventDispatcher<SettingsEventMap> {
    /**
     * Triggers when the settings are changed.
     *
     * @event
     */
    static readonly EVENT_CHANGE = "change";
    /**
     * @see {@link enabled}
     */
    private _enabled;
    /**
     * @see {@link inverted}
     */
    private _inverted;
    /**
     * @see {@link minDistance}
     */
    private _minDistance;
    /**
     * @see {@link maxDistance}
     */
    private _maxDistance;
    /**
     * @see {@link sensitivity}
     */
    private _sensitivity;
    /**
     * @see {@link damping}
     */
    private _damping;
    /**
     * Constructs new zoom settings.
     */
    constructor();
    /**
     * Indicates whether zooming is enabled.
     */
    get enabled(): boolean;
    set enabled(value: boolean);
    /**
     * Indicates whether the zoom controls should be inverted.
     */
    get inverted(): boolean;
    set inverted(value: boolean);
    /**
     * The minimum zoom distance.
     */
    get minDistance(): number;
    set minDistance(value: number);
    /**
     * The maximum zoom distance.
     */
    get maxDistance(): number;
    set maxDistance(value: number);
    /**
     * Sets the minimum and maximum zoom distance.
     *
     * @param min - The minimum distance.
     * @param max - The maximum distance.
     */
    setRange(min: number, max: number): void;
    /**
     * The zoom sensitivity.
     */
    get sensitivity(): number;
    set sensitivity(value: number);
    /**
     * The damping factor.
     */
    get damping(): number;
    set damping(value: number);
    /**
     * Copies the given zoom settings.
     *
     * @param settings - Zoom settings.
     * @return This instance.
     */
    copy(settings: ZoomSettings): ZoomSettings;
    /**
     * Clones this zoom settings instance.
     *
     * @return The cloned zoom settings.
     */
    clone(): ZoomSettings;
    /**
     * Copies the given JSON data.
     *
     * @param json - The JSON data.
     * @return This instance.
     */
    fromJSON(json: ZoomSettings): ZoomSettings;
    toJSON(): Record<string, unknown>;
}