import { IRectangle, Rectangle } from './Rectangle';
import { Vector2 } from './Vector2';
/**
 * Test if two boxes collides.
 *
 * @param first - First box.
 * @param second - Second box.
 * @returns - True if colliding, else false.
 */
export declare function intersect(first: Required<IRectangle>, second: Required<IRectangle>): boolean;
export declare class Hit {
    collider: Rectangle;
    /**
     * The overlap between the two objects, and is a vector that can be added to the colliding object’s position to move it back to a non-colliding state.
     * @type {Vector2}
     */
    delta: Vector2;
    /**
     * The surface normal at the point of contact.
     * @type {Vector2}
     */
    normal: Vector2;
    /**
     * The point of contact between the two objects (or an estimation of it, in some sweep tests).
     * @type {Vector2}
     */
    position: Vector2;
    /**
     * Only defined for segment and sweep intersections, and is a fraction from 0 to 1 indicating how far along the line the collision occurred.
     *
     * _(This is the **t** value for the line equation **L(t) = A + t(B - A)**)._
     * @type {number}
     */
    time: number;
    constructor(collider: Rectangle);
}
/**
 * A function to test a collision and get information if colliding.
 *
 * @remarks Expensive function, if you just want to test collision, prefer using {@link intersect} function.
 * @param box1 - First rectangle.
 * @param box2 - Second rectangle.
 * @returns - The Hit result or `null` it not intersecting.
 */
export declare function collisionBoxes(box1: Required<IRectangle>, box2: Required<IRectangle>): Hit | null;