export declare function findTargetByPosition(displayObject: egret.DisplayObject, stageX: number, stageY: number): egret.DisplayObject | null;
export declare function getEventPriority(domEventName: string): 1 | 4 | 16;
export declare const defaultOnRecoverableError: typeof reportError;
export declare function throttle<T extends (...args: any[]) => any>(func: T, wait: number): T;