import Vector from '../math/Vector';
/**
 * A {@code Ray} is made up of a starting point and an ending point.
 *
 * @param <T> Type of vector, either 2D or 3D, implementing the {@link Vector} interface
 *
 * @author davebaol
 */
declare class Ray<T extends Vector<T>> {
    /** The starting point of this ray. */
    start: T;
    /** The ending point of this ray. */
    end: T;
    /**
     * Creates a {@code Ray} with the given {@code start} and {@code end} points.
     * @param start the starting point of this ray
     * @param end the starting point of this ray
     */
    constructor(start: T, end: T);
    /**
     * Sets this ray from the given ray.
     * @param ray The ray
     * @return this ray for chaining.
     */
    copy(ray: Ray<T>): Ray<T>;
    /**
     * Sets this Ray from the given start and end points.
     * @param start the starting point of this ray
     * @param end the starting point of this ray
     * @return this ray for chaining.
     */
    set(start: T, end: T): Ray<T>;
}
export default Ray;