export declare type Point = PointBrand & PointData;
export interface PointData {
    x: number;
    y: number;
    z: number;
}
export interface PointBrand {
    readonly Point: unique symbol;
}
/**
 * Creates a point in 3D space.
 * @param x The x coordinate.
 * @param y The y coordinate.
 * @param z An optional z coordinate (0 if not specified).
 */
export declare const point: (x: number, y: number, z?: number) => Point;