import { TransformedPoint, Point3D } from '../types';
import { ShapeInstance } from './shape';
export type Line<Datum> = TransformedPoint<Datum>[] & {
    centroid: Point3D;
};
interface Lines3DInstance<Datum = Point3D> extends ShapeInstance<Datum> {
    data(data: Datum[][]): Line<Datum>[];
}
export declare function lines3D<Datum = Point3D>(): Lines3DInstance<Datum>;
export {};