import { Observable, OperatorFunction } from 'rxjs';
import type { Connection } from './connection';
import type { RunningState } from './running-state';
export declare class Helper {
    private static userInteractionEventEnable$;
    /**
     * @description pointer release status: if less than 0, user released pointer outside target element
     */
    static pointerReleaseStatus: number;
    static enableUserInteraction(): void;
    static disableUserInteraction(): void;
    /**
     * @description make target inputable
     * @param target the video element
     */
    static enhanceKeyboardInput(target: HTMLVideoElement): void;
    /**
     * @deprecated use `createPointerStream` instead
     * @description create default stream for basic interaction, transform to ArrayBuffer from the event-adapter definition
     * @param target the video element
     * @param runningInfo RunningState instance
     * @returns default event stream from the target, replace any stream you need before subscribe
     */
    static createDefaultEventStream(target: HTMLVideoElement, runningInfo: RunningState): {
        wheelStream: Observable<ArrayBuffer>;
        mouseupStream: Observable<ArrayBuffer>;
        mousedownStream: Observable<ArrayBuffer>;
        mousemoveStream: Observable<ArrayBuffer>;
        zoomStream: Observable<ArrayBuffer>;
        startBufferStream: Observable<ArrayBuffer>;
        moveBufferStream: Observable<ArrayBuffer>;
        endBufferStream: Observable<ArrayBuffer>;
        leaveStream: Observable<ArrayBuffer>;
    };
    static detectDocumentPointerup(connection: Connection, takeUntilWhat: OperatorFunction<PointerEvent, unknown>): void;
    /**
     * @description create pointer event stream for mouse/touch interaction, transform to ArrayBuffer by the event-adapter definition
     * @param target the video element
     * @param runningInfo RunningState instance
     * @param mouseOnly filter pointer event to mouse event
     * @returns pointer event stream, with compatibility mouse events
     */
    static createPointerStream(target: HTMLVideoElement, runningInfo: RunningState, mouseOnly?: boolean): {
        downStream: Observable<ArrayBuffer>;
        upStream: Observable<ArrayBuffer>;
        moveStream: Observable<ArrayBuffer>;
        stickEdgeStream: Observable<ArrayBuffer>;
        compatibilityStream: Observable<ArrayBuffer>;
        wheelStream: Observable<ArrayBuffer>;
    };
    static createGamepadStream(): Observable<ArrayBuffer>;
    /**
     * @deprecated use ClipboardSyncManager instead
     */
    static createClipboardStream(target: HTMLVideoElement): Observable<ArrayBuffer[]>;
    /**
     * @description create default stream for keyboard
     */
    static createKeyboardStream(target: HTMLVideoElement, filterKeys?: string[]): {
        keydownStream: Observable<ArrayBuffer>;
        keyupStream: Observable<ArrayBuffer>;
    };
    static createMobileTouchStream(target: HTMLVideoElement, runningInfo: RunningState): Observable<ArrayBuffer>;
    static createMobileKeyboardStream(target: HTMLVideoElement, runningInfo: RunningState): Observable<ArrayBuffer>;
    static createUeMultiTouchStream(target: HTMLVideoElement, runningInfo: RunningState): Observable<string>;
    static createWinTouchStream(target: HTMLVideoElement, runningInfo: RunningState): Observable<ArrayBuffer>;
    static attachMobileListener(target: HTMLVideoElement, runningInfo: RunningState, connection: Connection, { enableClipboard, }?: {
        enableClipboard?: boolean;
    }): import("rxjs").Subscription;
    /**
     * @description the default behavior for consuming the event stream
     */
    static attachListener(target: HTMLVideoElement, runningInfo: RunningState, connection: Connection, { enableClipboard, enableGamepad, filterKeys, enableKeyBoard, usePointerEvent, enableWinTouch, }?: {
        enableGamepad?: boolean;
        enableClipboard?: boolean;
        filterKeys?: string[];
        enableKeyBoard?: boolean;
        usePointerEvent?: boolean;
        enableWinTouch?: boolean;
    }): import("rxjs").Subscription;
    /**
     * @description the UE behavior for consuming the event stream
     */
    static attachUEListener(target: HTMLVideoElement, runningInfo: RunningState, connection: Connection, { enableTouchInteraction, enableZoomInteraction, }?: {
        enableTouchInteraction?: boolean;
        enableZoomInteraction?: boolean;
    }): import("rxjs").Subscription;
}