import { IPluginEvent, IPluginEventMap, Plugin } from "../types";
interface IPtzSpeedSliderPluginEvent extends IPluginEvent {
    speed: number;
}
interface IPtzSpeedSliderPluginEventMap extends IPluginEventMap {
    change: IPtzSpeedSliderPluginEvent;
    confirm: undefined;
}
declare class PtzSpeedSliderPlugin extends Plugin<HTMLDivElement, IPtzSpeedSliderPluginEventMap> {
    private _thumbEl;
    private _initialSpeed;
    private _startY;
    constructor(initialSpeed?: number);
    init(): HTMLDivElement;
    protected beforeDestroy(): void;
}
export default PtzSpeedSliderPlugin;