export declare class EvtUtils {
    static preventEvent(evt: Event): void;
    static getEventSource(evt: Event): HTMLElement | null;
    static getEventSourceByPosition(evt: MouseEvent | TouchEvent): HTMLElement | null;
    private static getEventSourceCore;
    static getMouseWheelEventName(): string;
    static isLeftButtonPressed(evt: Event): boolean;
    private static isMoveEventName;
    private static getMoveEventName;
    static preventEventAndBubble(evt: Event): void;
    private static clientEventRequiresDocScrollCorrection;
    static getEventX(evt: MouseEvent | TouchEvent): number;
    static getEventY(evt: MouseEvent | TouchEvent): number;
    static cancelBubble(evt: Event): void;
    static getWheelDelta(evt: WheelEvent): number;
}
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