import { Vector2 } from "../struct/vector";
/** Contains math for common vector operations. */
export declare class Vector {
    /**
     * Returns true if two vectors have the same x and y values.
     * @param v1 The first Vector2.
     * @param v2 The second Vector2.
     */
    static areEqual(v1: Vector2, v2: Vector2): boolean;
    /**
     * Returns the distance between two vectors.
     *
     * If no topology is given, diagonal distance is sqrt(2).
     * If topology is four, diagonal distance is 2.
     * If topology is eight, diagonal distance is 1.
     *
     * @param start The starting Vector2.
     * @param end The ending Vector2.
     * @param topology Can use "four" or "eight" for non-cartesian distances.
     */
    static getDistance(start: Vector2, end: Vector2, topology?: "four" | "eight"): number;
    /**
     * Will find the center of an area by averaging all Vectors in the area.
     * This point may not be in the area itself, for example in a donut shaped area.
     * @param area Vector2
     */
    static getCenter(area: Vector2[]): Vector2;
    /**
     * Will find the position in the area closest to the target
     * @param area Vector2[]
     * @param target Vector2
     * @param topology Either 'four' or 'eight'. Default 'four'
     */
    static getClosest(area: Vector2[], target: Vector2, topology?: "four" | "eight"): Vector2;
    static add(v1: Vector2, v2: Vector2): Vector2;
    static subtract(v1: Vector2, v2: Vector2): Vector2;
}