declare class UtilsSingleton {
    intersects(x1: number, y1: number, width1: number, height1: number, x2: number, y2: number, width2: number, height2: number): boolean;
    rectContainsPoint(x1: number, y1: number, width1: number, height1: number, pointX: number, pointY: number): boolean;
    interpolate(num: number): number;
    calculateRotationToPoint(sourceX: number, sourceY: number, destinationX: number, destinationY: number): number;
    lerp(a: number, b: number, t: number, transform?: (num: number) => number): number;
    getWebGLColor(originalHex: number, alphaChannel?: number): number;
    lerpPingPong(a: number, b: number, t: number, transform?: (num: number) => number): number;
    easeIn(t: number): number;
    easeOut(t: number): number;
    easeInOut(t: number): number;
}
export declare const Utils: UtilsSingleton;
export {};