interface IPosObject {
    x: number;
    y: number;
}
export declare function getOffset(elem: HTMLDivElement): IPosObject;
/**
 * Get the position of the mouse/finger in the element
 * @param e Trigger event
 * @param elem Container element
 * @param isReverse From the right/bottom
 */
export declare function getPos(e: MouseEvent | TouchEvent, elem: HTMLDivElement, isReverse?: boolean): IPosObject;
export declare function isBetween(value: number, prev: number, next: number, direction: string): boolean;
export declare function getOpacityCoeff(index: number, middle: number, length: number): number;
export {};