export declare class Vector {
    x: number;
    y: number;
    constructor(x: number, y: number);
    static fromPolarCoordinates(length: number, angle: number): Vector;
    add(x: number, y: number): this;
    subVec(vector: Vector): this;
    clone(): Vector;
    length(): number;
    angle(): number;
    moveForward(distance: number): void;
    isEqual(vector: Vector): boolean;
    intersectionPoint(lineOrigin: Vector, lineTarget: Vector): Vector;
}
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