/**
 * @fileOverView
 * project entry point
 * defines rigid 3D transformation between two sets of points
 */
/**
 * entry function for the module.
 * @param setA
 * @param setB
 * @returns 4x3 rigid transformation matrix
 */
export declare function getRigidTransformation(setA: number[][], setB: number[][]): (number[] | number[][])[];